13019918232 has 32 divisors (see below), whose sum is σ = 32566247280. Its totient is φ = 4337779200.

The previous prime is 13019918209. The next prime is 13019918243. The reversal of 13019918232 is 23281991031.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 88269 + ... + 183932.

Almost surely, 2^13019918232 is an apocalyptic number.

13019918232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13019918232 is an abundant number, since it is smaller than the sum of its proper divisors (19546329048).

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

13019918232 is a wasteful number, since it uses less digits than its factorization.

13019918232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274203 (or 274199 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 13019918232 in words is "thirteen billion, nineteen million, nine hundred eighteen thousand, two hundred thirty-two".