13818904396 has 24 divisors (see below), whose sum is σ = 26486671680. Its totient is φ = 6256290000.

The previous prime is 13818904391. The next prime is 13818904403. The reversal of 13818904396 is 69340981831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13818904391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614586 + ... + 636673.

It is an arithmetic number, because the mean of its divisors is an integer number (1103611320).

Almost surely, 2^13818904396 is an apocalyptic number.

It is an amenable number.

13818904396 is a deficient number, since it is larger than the sum of its proper divisors (12667767284).

13818904396 is a wasteful number, since it uses less digits than its factorization.

13818904396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251525 (or 1251523 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 13818904396 in words is "thirteen billion, eight hundred eighteen million, nine hundred four thousand, three hundred ninety-six".