13981434900 has 36 divisors (see below), whose sum is σ = 40452952512. Its totient is φ = 3728382560.

The previous prime is 13981434893. The next prime is 13981434913. The reversal of 13981434900 is 943418931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23302092 + ... + 23302691.

Almost surely, 2^13981434900 is an apocalyptic number.

13981434900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13981434900 is an abundant number, since it is smaller than the sum of its proper divisors (26471517612).

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

13981434900 is a wasteful number, since it uses less digits than its factorization.

13981434900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46604800 (or 46604793 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 13981434900 in words is "thirteen billion, nine hundred eighty-one million, four hundred thirty-four thousand, nine hundred".