245567311564 has 48 divisors (see below), whose sum is σ = 440126114400. Its totient is φ = 119854411776.

The previous prime is 245567311523. The next prime is 245567311601. The reversal of 245567311564 is 465113765542.

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, 63142132 + ... + 63146020.

It is an arithmetic number, because the mean of its divisors is an integer number (9169294050).

Almost surely, 2^245567311564 is an apocalyptic number.

It is an amenable number.

245567311564 is a deficient number, since it is larger than the sum of its proper divisors (194558802836).

245567311564 is a wasteful number, since it uses less digits than its factorization.

245567311564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6202 (or 6200 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 49.

The spelling of 245567311564 in words is "two hundred forty-five billion, five hundred sixty-seven million, three hundred eleven thousand, five hundred sixty-four".