13889407935 has 32 divisors (see below), whose sum is σ = 24070915008. Its totient is φ = 6798320640.

The previous prime is 13889407919. The next prime is 13889407943. The reversal of 13889407935 is 53970498831.

It is not a de Polignac number, because 13889407935 - 2⁴ = 13889407919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172126 + ... + 239595.

It is an arithmetic number, because the mean of its divisors is an integer number (752216094).

Almost surely, 2^13889407935 is an apocalyptic number.

13889407935 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13889407935 is a deficient number, since it is larger than the sum of its proper divisors (10181507073).

13889407935 is a wasteful number, since it uses less digits than its factorization.

13889407935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411915.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 13889407935 in words is "thirteen billion, eight hundred eighty-nine million, four hundred seven thousand, nine hundred thirty-five".