13993706986 has 32 divisors (see below), whose sum is σ = 25392960000. Its totient is φ = 5649895152.

The previous prime is 13993706941. The next prime is 13993707001. The reversal of 13993706986 is 68960739931.

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, 99336 + ... + 194563.

It is an arithmetic number, because the mean of its divisors is an integer number (793530000).

Almost surely, 2^13993706986 is an apocalyptic number.

13993706986 is a deficient number, since it is larger than the sum of its proper divisors (11399253014).

13993706986 is a wasteful number, since it uses less digits than its factorization.

13993706986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294106.

The product of its (nonzero) digits is 13226976, while the sum is 61.

The spelling of 13993706986 in words is "thirteen billion, nine hundred ninety-three million, seven hundred six thousand, nine hundred eighty-six".