13268921239 has 24 divisors (see below), whose sum is σ = 15747164736. Its totient is φ = 11144952000.

The previous prime is 13268921189. The next prime is 13268921251. The reversal of 13268921239 is 93212986231.

It is not a de Polignac number, because 13268921239 - 2¹⁵ = 13268888471 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 (13268921269) 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, 801829 + ... + 818209.

It is an arithmetic number, because the mean of its divisors is an integer number (656131864).

Almost surely, 2^13268921239 is an apocalyptic number.

13268921239 is a deficient number, since it is larger than the sum of its proper divisors (2478243497).

13268921239 is a wasteful number, since it uses less digits than its factorization.

13268921239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16727 (or 16720 counting only the distinct ones).

The product of its digits is 279936, while the sum is 46.

The spelling of 13268921239 in words is "thirteen billion, two hundred sixty-eight million, nine hundred twenty-one thousand, two hundred thirty-nine".