13689538530 has 32 divisors (see below), whose sum is σ = 32910905664. Its totient is φ = 3644319936.

The previous prime is 13689538493. The next prime is 13689538547. The reversal of 13689538530 is 3583598631.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371077 + ... + 406296.

It is an arithmetic number, because the mean of its divisors is an integer number (1028465802).

Almost surely, 2^13689538530 is an apocalyptic number.

13689538530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13689538530 is an abundant number, since it is smaller than the sum of its proper divisors (19221367134).

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

13689538530 is a wasteful number, since it uses less digits than its factorization.

13689538530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777970.

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 13689538530 in words is "thirteen billion, six hundred eighty-nine million, five hundred thirty-eight thousand, five hundred thirty".