969372177489 has 27 divisors (see below), whose sum is σ = 1406775345937. Its totient is φ = 643229435904.

The previous prime is 969372177479. The next prime is 969372177497. The reversal of 969372177489 is 984771273969.

The square root of 969372177489 is 984567.

It is a perfect power (a square), and thus also a powerful number.

969372177489 is a `hidden beast` number, since 9 + 6 + 9 + 3 + 72 + 1 + 77 + 489 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 518352481089 + 451019696400 = 719967^2 + 671580^2 .

It is a de Polignac number, because none of the positive numbers 2^k-969372177489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (969372177479) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 759100519 + ... + 759101795.

Almost surely, 2^969372177489 is an apocalyptic number.

969372177489 is the 984567-th square number.

969372177489 is the 492284-th centered octagonal number.

It is an amenable number.

969372177489 is a deficient number, since it is larger than the sum of its proper divisors (437403168448).

969372177489 is an frugal number, since it uses more digits than its factorization.

969372177489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074 (or 1537 counting only the distinct ones).

The product of its digits is 288054144, while the sum is 72.

The spelling of 969372177489 in words is "nine hundred sixty-nine billion, three hundred seventy-two million, one hundred seventy-seven thousand, four hundred eighty-nine".