13793973616 has 20 divisors (see below), whose sum is σ = 26787559792. Its totient is φ = 6881054976.

The previous prime is 13793973581. The next prime is 13793973629. The reversal of 13793973616 is 61637939731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988596 + ... + 1002451.

Almost surely, 2^13793973616 is an apocalyptic number.

13793973616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13793973616 is a deficient number, since it is larger than the sum of its proper divisors (12993586176).

13793973616 is a wasteful number, since it uses less digits than its factorization.

13793973616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991488 (or 1991482 counting only the distinct ones).

The product of its digits is 3857868, while the sum is 55.

The spelling of 13793973616 in words is "thirteen billion, seven hundred ninety-three million, nine hundred seventy-three thousand, six hundred sixteen".