345213568218 has 32 divisors (see below), whose sum is σ = 697533788160. Its totient is φ = 113891384880.

The previous prime is 345213568187. The next prime is 345213568229. The reversal of 345213568218 is 812865312543.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281530 + ... + 877317.

It is an arithmetic number, because the mean of its divisors is an integer number (21797930880).

Almost surely, 2^345213568218 is an apocalyptic number.

345213568218 is an abundant number, since it is smaller than the sum of its proper divisors (352320219942).

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

345213568218 is a wasteful number, since it uses less digits than its factorization.

345213568218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159362.

The product of its digits is 1382400, while the sum is 48.

The spelling of 345213568218 in words is "three hundred forty-five billion, two hundred thirteen million, five hundred sixty-eight thousand, two hundred eighteen".