13979082838 has 32 divisors (see below), whose sum is σ = 25461216000. Its totient is φ = 5622662304.

The previous prime is 13979082827. The next prime is 13979082851. The reversal of 13979082838 is 83828097931.

It is a super-2 number, since 2×13979082838² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 217113 + ... + 274036.

It is an arithmetic number, because the mean of its divisors is an integer number (795663000).

Almost surely, 2^13979082838 is an apocalyptic number.

13979082838 is a deficient number, since it is larger than the sum of its proper divisors (11482133162).

13979082838 is a wasteful number, since it uses less digits than its factorization.

13979082838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491284.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 13979082838 in words is "thirteen billion, nine hundred seventy-nine million, eighty-two thousand, eight hundred thirty-eight".