965964172913 has 24 divisors (see below), whose sum is σ = 1043559000000. Its totient is φ = 893525030496.

The previous prime is 965964172909. The next prime is 965964172991. The reversal of 965964172913 is 319271469569.

It is not a de Polignac number, because 965964172913 - 2² = 965964172909 is a prime.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (965964172013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51511463 + ... + 51530211.

It is an arithmetic number, because the mean of its divisors is an integer number (43481625000).

Almost surely, 2^965964172913 is an apocalyptic number.

It is an amenable number.

965964172913 is a deficient number, since it is larger than the sum of its proper divisors (77594827087).

965964172913 is a wasteful number, since it uses less digits than its factorization.

965964172913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22149 (or 22130 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 62.

The spelling of 965964172913 in words is "nine hundred sixty-five billion, nine hundred sixty-four million, one hundred seventy-two thousand, nine hundred thirteen".