709814215568 has 20 divisors (see below), whose sum is σ = 1375334882160. Its totient is φ = 354889084704.

The previous prime is 709814215547. The next prime is 709814215571. The reversal of 709814215568 is 865512418907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798638 + ... + 1434381.

It is an arithmetic number, because the mean of its divisors is an integer number (68766744108).

Almost surely, 2^709814215568 is an apocalyptic number.

It is an amenable number.

709814215568 is a deficient number, since it is larger than the sum of its proper divisors (665520666592).

709814215568 is a wasteful number, since it uses less digits than its factorization.

709814215568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252894 (or 2252888 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 56.

The spelling of 709814215568 in words is "seven hundred nine billion, eight hundred fourteen million, two hundred fifteen thousand, five hundred sixty-eight".