13690915986 has 48 divisors (see below), whose sum is σ = 30478492800. Its totient is φ = 4096229280.

The previous prime is 13690915963. The next prime is 13690916033. The reversal of 13690915986 is 68951909631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62001 + ... + 176708.

It is an arithmetic number, because the mean of its divisors is an integer number (634968600).

Almost surely, 2^13690915986 is an apocalyptic number.

13690915986 is an abundant number, since it is smaller than the sum of its proper divisors (16787576814).

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

13690915986 is a wasteful number, since it uses less digits than its factorization.

13690915986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238815 (or 238804 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 57.

The spelling of 13690915986 in words is "thirteen billion, six hundred ninety million, nine hundred fifteen thousand, nine hundred eighty-six".