13689059928 has 32 divisors (see below), whose sum is σ = 34278514800. Its totient is φ = 4555571328.

The previous prime is 13689059927. The next prime is 13689059987. The reversal of 13689059928 is 82995098631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13689059927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450523 + ... + 479946.

Almost surely, 2^13689059928 is an apocalyptic number.

It is an amenable number.

13689059928 is an abundant number, since it is smaller than the sum of its proper divisors (20589454872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13689059928 is a wasteful number, since it uses less digits than its factorization.

13689059928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931091 (or 931087 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 60.

The spelling of 13689059928 in words is "thirteen billion, six hundred eighty-nine million, fifty-nine thousand, nine hundred twenty-eight".