13426156637 has 16 divisors (see below), whose sum is σ = 14595955200. Its totient is φ = 12303083520.

The previous prime is 13426156633. The next prime is 13426156661. The reversal of 13426156637 is 73665162431.

It is a cyclic number.

It is not a de Polignac number, because 13426156637 - 2² = 13426156633 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13426156633) 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, 1532333 + ... + 1541069.

It is an arithmetic number, because the mean of its divisors is an integer number (912247200).

Almost surely, 2^13426156637 is an apocalyptic number.

It is an amenable number.

13426156637 is a deficient number, since it is larger than the sum of its proper divisors (1169798563).

13426156637 is a wasteful number, since it uses less digits than its factorization.

13426156637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11396.

The product of its digits is 544320, while the sum is 44.

The spelling of 13426156637 in words is "thirteen billion, four hundred twenty-six million, one hundred fifty-six thousand, six hundred thirty-seven".