969659692369 has 9 divisors (see below), whose sum is σ = 1023400197417. Its totient is φ = 918607246884.

The previous prime is 969659692349. The next prime is 969659692387. The reversal of 969659692369 is 963296956969.

The square root of 969659692369 is 984713.

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

It is a de Polignac number, because none of the positive numbers 2^k-969659692369 is a prime.

It is a super-2 number, since 2×969659692369² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (969659692319) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18683634 + ... + 18735460.

Almost surely, 2^969659692369 is an apocalyptic number.

969659692369 is the 984713-rd square number.

969659692369 is the 492357-th centered octagonal number.

It is an amenable number.

969659692369 is a deficient number, since it is larger than the sum of its proper divisors (53740505048).

969659692369 is an frugal number, since it uses more digits than its factorization.

969659692369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103692 (or 51846 counting only the distinct ones).

The product of its digits is 2295825120, while the sum is 79.

The spelling of 969659692369 in words is "nine hundred sixty-nine billion, six hundred fifty-nine million, six hundred ninety-two thousand, three hundred sixty-nine".