13239818522 has 16 divisors (see below), whose sum is σ = 23160033600. Its totient is φ = 5674207644.

The previous prime is 13239818519. The next prime is 13239818533. The reversal of 13239818522 is 22581893231.

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, 9649328 + ... + 9650699.

It is an arithmetic number, because the mean of its divisors is an integer number (1447502100).

Almost surely, 2^13239818522 is an apocalyptic number.

13239818522 is a deficient number, since it is larger than the sum of its proper divisors (9920215078).

13239818522 is an equidigital number, since it uses as much as digits as its factorization.

13239818522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19300050 (or 19300036 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The spelling of 13239818522 in words is "thirteen billion, two hundred thirty-nine million, eight hundred eighteen thousand, five hundred twenty-two".