18317346402 has 32 divisors (see below), whose sum is σ = 37835665920. Its totient is φ = 5905820160.

The previous prime is 18317346401. The next prime is 18317346407. The reversal of 18317346402 is 20464371381.

It is not an unprimeable number, because it can be changed into a prime (18317346401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357874 + ... + 405842.

It is an arithmetic number, because the mean of its divisors is an integer number (1182364560).

Almost surely, 2^18317346402 is an apocalyptic number.

18317346402 is an abundant number, since it is smaller than the sum of its proper divisors (19518319518).

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

18317346402 is a wasteful number, since it uses less digits than its factorization.

18317346402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50058.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 18317346402 in words is "eighteen billion, three hundred seventeen million, three hundred forty-six thousand, four hundred two".