13521729268 has 12 divisors (see below), whose sum is σ = 24064094880. Its totient is φ = 6646273592.

The previous prime is 13521729163. The next prime is 13521729271. The reversal of 13521729268 is 86292712531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28647496 + ... + 28647967.

It is an arithmetic number, because the mean of its divisors is an integer number (2005341240).

Almost surely, 2^13521729268 is an apocalyptic number.

It is an amenable number.

13521729268 is a deficient number, since it is larger than the sum of its proper divisors (10542365612).

13521729268 is a wasteful number, since it uses less digits than its factorization.

13521729268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57295526 (or 57295524 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The spelling of 13521729268 in words is "thirteen billion, five hundred twenty-one million, seven hundred twenty-nine thousand, two hundred sixty-eight".