13979604915 has 40 divisors (see below), whose sum is σ = 25225805088. Its totient is φ = 7406380800.

The previous prime is 13979604869. The next prime is 13979604937. The reversal of 13979604915 is 51940697931.

13979604915 is a `hidden beast` number, since 1 + 3 + 97 + 9 + 60 + 491 + 5 = 666.

It is not a de Polignac number, because 13979604915 - 2¹¹ = 13979602867 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53142 + ... + 175451.

Almost surely, 2^13979604915 is an apocalyptic number.

13979604915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13979604915 is a deficient number, since it is larger than the sum of its proper divisors (11246200173).

13979604915 is a wasteful number, since it uses less digits than its factorization.

13979604915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228761 (or 228752 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The spelling of 13979604915 in words is "thirteen billion, nine hundred seventy-nine million, six hundred four thousand, nine hundred fifteen".