717361428731 has 2 divisors, whose sum is σ = 717361428732. Its totient is φ = 717361428730.

The previous prime is 717361428701. The next prime is 717361428757. The reversal of 717361428731 is 137824163717.

717361428731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 717361428731 - 2²⁶ = 717294319867 is a prime.

It is a super-2 number, since 2×717361428731² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 717361428731.

It is not a weakly prime, because it can be changed into another prime (717361428701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358680714365 + 358680714366.

It is an arithmetic number, because the mean of its divisors is an integer number (358680714366).

Almost surely, 2^717361428731 is an apocalyptic number.

717361428731 is a deficient number, since it is larger than the sum of its proper divisors (1).

717361428731 is an equidigital number, since it uses as much as digits as its factorization.

717361428731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 50.

The spelling of 717361428731 in words is "seven hundred seventeen billion, three hundred sixty-one million, four hundred twenty-eight thousand, seven hundred thirty-one".