18347357396 has 12 divisors (see below), whose sum is σ = 32128376448. Its totient is φ = 9167821272.

The previous prime is 18347357377. The next prime is 18347357407. The reversal of 18347357396 is 69375374381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1457306 + ... + 1469841.

It is an arithmetic number, because the mean of its divisors is an integer number (2677364704).

Almost surely, 2^18347357396 is an apocalyptic number.

It is an amenable number.

18347357396 is a deficient number, since it is larger than the sum of its proper divisors (13781019052).

18347357396 is a wasteful number, since it uses less digits than its factorization.

18347357396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928718 (or 2928716 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 56.

The spelling of 18347357396 in words is "eighteen billion, three hundred forty-seven million, three hundred fifty-seven thousand, three hundred ninety-six".