13538834924 has 12 divisors (see below), whose sum is σ = 23696662248. Its totient is φ = 6768360000.

The previous prime is 13538834923. The next prime is 13538834951. The reversal of 13538834924 is 42943883531.

It is not an unprimeable number, because it can be changed into a prime (13538834923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235202 + ... + 287049.

It is an arithmetic number, because the mean of its divisors is an integer number (1974721854).

Almost surely, 2^13538834924 is an apocalyptic number.

It is an amenable number.

13538834924 is a deficient number, since it is larger than the sum of its proper divisors (10157827324).

13538834924 is a wasteful number, since it uses less digits than its factorization.

13538834924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528736 (or 528734 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 50.

The spelling of 13538834924 in words is "thirteen billion, five hundred thirty-eight million, eight hundred thirty-four thousand, nine hundred twenty-four".