13813919500 has 48 divisors (see below), whose sum is σ = 31944302208. Its totient is φ = 5200531200.

The previous prime is 13813919489. The next prime is 13813919513. The reversal of 13813919500 is 591931831.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804084 + ... + 821083.

It is an arithmetic number, because the mean of its divisors is an integer number (665506296).

Almost surely, 2^13813919500 is an apocalyptic number.

13813919500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13813919500 is an abundant number, since it is smaller than the sum of its proper divisors (18130382708).

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

13813919500 is a wasteful number, since it uses less digits than its factorization.

13813919500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625203 (or 1625191 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 40.

The spelling of 13813919500 in words is "thirteen billion, eight hundred thirteen million, nine hundred nineteen thousand, five hundred".