13294913631 has 16 divisors (see below), whose sum is σ = 19123431264. Its totient is φ = 8184510464.

The previous prime is 13294913627. The next prime is 13294913651. The reversal of 13294913631 is 13631949231.

It is not a de Polignac number, because 13294913631 - 2² = 13294913627 is a prime.

It is a super-2 number, since 2×13294913631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13294913651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2456586 + ... + 2461991.

It is an arithmetic number, because the mean of its divisors is an integer number (1195214454).

Almost surely, 2^13294913631 is an apocalyptic number.

13294913631 is a deficient number, since it is larger than the sum of its proper divisors (5828517633).

13294913631 is a wasteful number, since it uses less digits than its factorization.

13294913631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4918650.

The product of its digits is 104976, while the sum is 42.

The spelling of 13294913631 in words is "thirteen billion, two hundred ninety-four million, nine hundred thirteen thousand, six hundred thirty-one".