13859439500 has 24 divisors (see below), whose sum is σ = 30269016960. Its totient is φ = 5543775600.

The previous prime is 13859439493. The next prime is 13859439557. The reversal of 13859439500 is 593495831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13858940 + ... + 13859939.

It is an arithmetic number, because the mean of its divisors is an integer number (1261209040).

Almost surely, 2^13859439500 is an apocalyptic number.

13859439500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13859439500 is an abundant number, since it is smaller than the sum of its proper divisors (16409577460).

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

13859439500 is a wasteful number, since it uses less digits than its factorization.

13859439500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27718898 (or 27718886 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 13859439500 in words is "thirteen billion, eight hundred fifty-nine million, four hundred thirty-nine thousand, five hundred".