13959982500 has 60 divisors (see below), whose sum is σ = 40703608176. Its totient is φ = 3722660000.

The previous prime is 13959982447. The next prime is 13959982513. The reversal of 13959982500 is 528995931.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×13959982500² (a number of 21 digits) contains 22 as substring.

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 19 ways as a sum of consecutive naturals, for example, 923166 + ... + 938165.

Almost surely, 2^13959982500 is an apocalyptic number.

13959982500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13959982500 is an abundant number, since it is smaller than the sum of its proper divisors (26743625676).

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

13959982500 is a wasteful number, since it uses less digits than its factorization.

13959982500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861358 (or 1861341 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 51.

The spelling of 13959982500 in words is "thirteen billion, nine hundred fifty-nine million, nine hundred eighty-two thousand, five hundred".