12813965163 has 24 divisors (see below), whose sum is σ = 18657999360. Its totient is φ = 8474180400.

The previous prime is 12813965159. The next prime is 12813965191. The reversal of 12813965163 is 36156931821.

12813965163 is a `hidden beast` number, since 128 + 1 + 3 + 9 + 6 + 516 + 3 = 666.

It is not a de Polignac number, because 12813965163 - 2² = 12813965159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12813965363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554388 + ... + 577038.

It is an arithmetic number, because the mean of its divisors is an integer number (777416640).

Almost surely, 2^12813965163 is an apocalyptic number.

12813965163 is a deficient number, since it is larger than the sum of its proper divisors (5844034197).

12813965163 is a wasteful number, since it uses less digits than its factorization.

12813965163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23159 (or 23156 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The spelling of 12813965163 in words is "twelve billion, eight hundred thirteen million, nine hundred sixty-five thousand, one hundred sixty-three".