715299701621 has 12 divisors (see below), whose sum is σ = 747855115392. Its totient is φ = 684105237816.

The previous prime is 715299701617. The next prime is 715299701639. The reversal of 715299701621 is 126107992517.

It is not a de Polignac number, because 715299701621 - 2² = 715299701617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 715299701621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715299701651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3902780 + ... + 4081946.

It is an arithmetic number, because the mean of its divisors is an integer number (62321259616).

Almost surely, 2^715299701621 is an apocalyptic number.

It is an amenable number.

715299701621 is a deficient number, since it is larger than the sum of its proper divisors (32555413771).

715299701621 is a wasteful number, since it uses less digits than its factorization.

715299701621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186760 (or 186737 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 50.

The spelling of 715299701621 in words is "seven hundred fifteen billion, two hundred ninety-nine million, seven hundred one thousand, six hundred twenty-one".