diff --git a/migrations/1679508966141_namespace-discount-bigint.js b/migrations/1679508966141_namespace-discount-bigint.js
new file mode 100644
index 00000000..6b33b282
--- /dev/null
+++ b/migrations/1679508966141_namespace-discount-bigint.js
@@ -0,0 +1,21 @@
+/* eslint-disable camelcase */
+
+exports.shorthands = undefined;
+
+exports.up = pgm => {
+  pgm.alterColumn('namespaces', 'nonalpha_discount', {
+    type: 'numeric'
+  })
+  pgm.alterColumn('namespaces', 'no_vowel_discount', {
+    type: 'numeric'
+  })
+};
+
+exports.down = pgm => {
+  pgm.alterColumn('namespaces', 'nonalpha_discount', {
+    type: 'numeric'
+  })
+  pgm.alterColumn('namespaces', 'no_vowel_discount', {
+    type: 'numeric'
+  })
+};
diff --git a/src/datastore/common.ts b/src/datastore/common.ts
index 251c1730..463318a4 100644
--- a/src/datastore/common.ts
+++ b/src/datastore/common.ts
@@ -646,8 +646,8 @@ export interface DbBnsNamespace {
   buckets: string;
   base: bigint;
   coeff: bigint;
-  nonalpha_discount: number;
-  no_vowel_discount: number;
+  nonalpha_discount: bigint;
+  no_vowel_discount: bigint;
   lifetime: number;
   status?: string;
   tx_id: string;
@@ -1431,8 +1431,8 @@ export interface BnsNamespaceInsertValues {
   buckets: string;
   base: PgNumeric;
   coeff: PgNumeric;
-  nonalpha_discount: number;
-  no_vowel_discount: number;
+  nonalpha_discount: PgNumeric;
+  no_vowel_discount: PgNumeric;
   lifetime: number;
   status: string | null;
   tx_index: number;
diff --git a/src/datastore/pg-write-store.ts b/src/datastore/pg-write-store.ts
index 6b486546..b0d9fe9e 100644
--- a/src/datastore/pg-write-store.ts
+++ b/src/datastore/pg-write-store.ts
@@ -1806,8 +1806,8 @@ export class PgWriteStore extends PgStore {
       buckets: bnsNamespace.buckets,
       base: bnsNamespace.base.toString(),
       coeff: bnsNamespace.coeff.toString(),
-      nonalpha_discount: bnsNamespace.nonalpha_discount,
-      no_vowel_discount: bnsNamespace.no_vowel_discount,
+      nonalpha_discount: bnsNamespace.nonalpha_discount.toString(),
+      no_vowel_discount: bnsNamespace.no_vowel_discount.toString(),
       lifetime: bnsNamespace.lifetime,
       status: bnsNamespace.status ?? null,
       tx_index: bnsNamespace.tx_index,
diff --git a/src/event-stream/bns/bns-helpers.ts b/src/event-stream/bns/bns-helpers.ts
index db93c9e7..a344c29a 100644
--- a/src/event-stream/bns/bns-helpers.ts
+++ b/src/event-stream/bns/bns-helpers.ts
@@ -165,8 +165,8 @@ export function parseNamespaceRawValue(
     coeff: coeff,
     launched_at: launched_at,
     lifetime: Number(lifetime),
-    no_vowel_discount: Number(no_vowel_discount),
-    nonalpha_discount: Number(nonalpha_discount),
+    no_vowel_discount: no_vowel_discount,
+    nonalpha_discount: nonalpha_discount,
     ready_block: readyBlock,
     reveal_block: Number(revealed_at),
     status: status,
diff --git a/src/import-v1/index.ts b/src/import-v1/index.ts
index f579c349..507636a9 100644
--- a/src/import-v1/index.ts
+++ b/src/import-v1/index.ts
@@ -179,8 +179,8 @@ class ChainProcessor extends stream.Writable {
             buckets: parts[2],
             base: BigInt(parts[3]),
             coeff: BigInt(parts[4]),
-            nonalpha_discount: parseInt(parts[5], 10),
-            no_vowel_discount: parseInt(parts[6], 10),
+            nonalpha_discount: BigInt(parts[5]),
+            no_vowel_discount: BigInt(parts[6]),
             lifetime: parseInt(parts[7], 10),
             tx_id: this.genesisBlock.tx_id,
             tx_index: this.genesisBlock.tx_index,
diff --git a/src/test-utils/test-builders.ts b/src/test-utils/test-builders.ts
index cd0dafc1..67f04dbf 100644
--- a/src/test-utils/test-builders.ts
+++ b/src/test-utils/test-builders.ts
@@ -532,8 +532,8 @@ interface TestBnsNamespaceArgs {
   buckets?: string;
   base?: bigint;
   coeff?: bigint;
-  nonalpha_discount?: number;
-  no_vowel_discount?: number;
+  nonalpha_discount?: bigint;
+  no_vowel_discount?: bigint;
   lifetime?: number;
   status?: string;
   tx_id?: string;
@@ -556,8 +556,8 @@ function testBnsNamespace(args?: TestBnsNamespaceArgs): DbBnsNamespace {
     buckets: args?.buckets ?? '1,1,1',
     base: args?.base ?? 1n,
     coeff: args?.coeff ?? 1n,
-    nonalpha_discount: args?.nonalpha_discount ?? 0,
-    no_vowel_discount: args?.no_vowel_discount ?? 0,
+    nonalpha_discount: args?.nonalpha_discount ?? 0n,
+    no_vowel_discount: args?.no_vowel_discount ?? 0n,
     lifetime: args?.lifetime ?? 0,
     status: args?.status ?? 'ready',
     tx_id: args?.tx_id ?? TX_ID,
diff --git a/src/tests-bns/api.ts b/src/tests-bns/api.ts
index 1a5311d5..bf71639d 100644
--- a/src/tests-bns/api.ts
+++ b/src/tests-bns/api.ts
@@ -112,8 +112,8 @@ describe('BNS API tests', () => {
       coeff: 1n,
       launched_at: 14,
       lifetime: 1,
-      no_vowel_discount: 1,
-      nonalpha_discount: 1,
+      no_vowel_discount: 1n,
+      nonalpha_discount: 1n,
       ready_block: dbBlock.block_height,
       reveal_block: 6,
       status: 'ready',
@@ -140,8 +140,8 @@ describe('BNS API tests', () => {
       coeff: 1n,
       launched_at: 14,
       lifetime: 1,
-      no_vowel_discount: 1,
-      nonalpha_discount: 1,
+      no_vowel_discount: 200000000000000n,
+      nonalpha_discount: 200000000000000n,
       ready_block: dbBlock.block_height,
       reveal_block: 6,
       status: 'ready',
diff --git a/src/tests-bns/bns-helpers-tests.ts b/src/tests-bns/bns-helpers-tests.ts
index 02c077f1..58481de6 100644
--- a/src/tests-bns/bns-helpers-tests.ts
+++ b/src/tests-bns/bns-helpers-tests.ts
@@ -14,8 +14,8 @@ describe('BNS helper tests', () => {
       coeff: 1n,
       launched_at: 14,
       lifetime: 1,
-      no_vowel_discount: 1,
-      nonalpha_discount: 1,
+      no_vowel_discount: 1n,
+      nonalpha_discount: 1n,
       ready_block: 4,
       reveal_block: 6,
       status: 'ready',
diff --git a/src/tests/datastore-tests.ts b/src/tests/datastore-tests.ts
index 19b8b17e..b0b2104b 100644
--- a/src/tests/datastore-tests.ts
+++ b/src/tests/datastore-tests.ts
@@ -3048,8 +3048,8 @@ describe('postgres datastore', () => {
       coeff: 1n,
       launched_at: 14,
       lifetime: 1,
-      no_vowel_discount: 1,
-      nonalpha_discount: 1,
+      no_vowel_discount: 1n,
+      nonalpha_discount: 1n,
       ready_block: block1.block_height,
       reveal_block: 6,
       status: 'ready',
@@ -4060,8 +4060,8 @@ describe('postgres datastore', () => {
               coeff: 1n,
               launched_at: 14,
               lifetime: 1,
-              no_vowel_discount: 1,
-              nonalpha_discount: 1,
+              no_vowel_discount: 1n,
+              nonalpha_discount: 1n,
               ready_block: 2,
               reveal_block: 6,
               status: 'ready',
@@ -4261,8 +4261,8 @@ describe('postgres datastore', () => {
               coeff: 1n,
               launched_at: 14,
               lifetime: 1,
-              no_vowel_discount: 1,
-              nonalpha_discount: 1,
+              no_vowel_discount: 1n,
+              nonalpha_discount: 1n,
               ready_block: 2,
               reveal_block: 6,
               status: 'ready',
@@ -4807,8 +4807,8 @@ describe('postgres datastore', () => {
       coeff: 1n,
       launched_at: dbBlock.block_height,
       lifetime: 1,
-      no_vowel_discount: 1,
-      nonalpha_discount: 1,
+      no_vowel_discount: 1n,
+      nonalpha_discount: 1n,
       ready_block: dbBlock.block_height,
       reveal_block: 6,
       status: 'ready',