13391816382 has 24 divisors (see below), whose sum is σ = 33160688496. Its totient is φ = 3826233216.

The previous prime is 13391816381. The next prime is 13391816461. The reversal of 13391816382 is 28361819331.

13391816382 is a `hidden beast` number, since 1 + 3 + 3 + 9 + 1 + 8 + 1 + 638 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13391816381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53142003 + ... + 53142254.

It is an arithmetic number, because the mean of its divisors is an integer number (1381695354).

Almost surely, 2^13391816382 is an apocalyptic number.

13391816382 is an abundant number, since it is smaller than the sum of its proper divisors (19768872114).

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

13391816382 is a wasteful number, since it uses less digits than its factorization.

13391816382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106284272 (or 106284269 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The spelling of 13391816382 in words is "thirteen billion, three hundred ninety-one million, eight hundred sixteen thousand, three hundred eighty-two".