18314898908 has 12 divisors (see below), whose sum is σ = 32071775400. Its totient is φ = 9151534512.

The previous prime is 18314898907. The next prime is 18314898923. The reversal of 18314898908 is 80989841381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18314898907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1471766 + ... + 1484157.

It is an arithmetic number, because the mean of its divisors is an integer number (2672647950).

Almost surely, 2^18314898908 is an apocalyptic number.

It is an amenable number.

18314898908 is a deficient number, since it is larger than the sum of its proper divisors (13756876492).

18314898908 is a wasteful number, since it uses less digits than its factorization.

18314898908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957476 (or 2957474 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 59.

The spelling of 18314898908 in words is "eighteen billion, three hundred fourteen million, eight hundred ninety-eight thousand, nine hundred eight".