345215261634 has 16 divisors (see below), whose sum is σ = 692978240640. Its totient is φ = 114647134320.

The previous prime is 345215261621. The next prime is 345215261707. The reversal of 345215261634 is 436162512543.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106153129 + ... + 106156380.

It is an arithmetic number, because the mean of its divisors is an integer number (43311140040).

Almost surely, 2^345215261634 is an apocalyptic number.

345215261634 is an abundant number, since it is smaller than the sum of its proper divisors (347762979006).

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

345215261634 is a wasteful number, since it uses less digits than its factorization.

345215261634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212309785.

The product of its digits is 518400, while the sum is 42.

The spelling of 345215261634 in words is "three hundred forty-five billion, two hundred fifteen million, two hundred sixty-one thousand, six hundred thirty-four".