12863189631 has 16 divisors (see below), whose sum is σ = 17718053888. Its totient is φ = 8292326400.

The previous prime is 12863189593. The next prime is 12863189719. The reversal of 12863189631 is 13698136821.

It is not a de Polignac number, because 12863189631 - 2⁶ = 12863189567 is a prime.

It is a super-2 number, since 2×12863189631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12863109631) 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 15 ways as a sum of consecutive naturals, for example, 66495 + ... + 173631.

It is an arithmetic number, because the mean of its divisors is an integer number (1107378368).

Almost surely, 2^12863189631 is an apocalyptic number.

12863189631 is a deficient number, since it is larger than the sum of its proper divisors (4854864257).

12863189631 is a wasteful number, since it uses less digits than its factorization.

12863189631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108462.

The product of its digits is 373248, while the sum is 48.

The spelling of 12863189631 in words is "twelve billion, eight hundred sixty-three million, one hundred eighty-nine thousand, six hundred thirty-one".