715780074491 has 2 divisors, whose sum is σ = 715780074492. Its totient is φ = 715780074490.

The previous prime is 715780074479. The next prime is 715780074497. The reversal of 715780074491 is 194470087517.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 715780074491 - 2³⁴ = 698600205307 is a prime.

It is a super-2 number, since 2×715780074491² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (715780074497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357890037245 + 357890037246.

It is an arithmetic number, because the mean of its divisors is an integer number (357890037246).

Almost surely, 2^715780074491 is an apocalyptic number.

715780074491 is a deficient number, since it is larger than the sum of its proper divisors (1).

715780074491 is an equidigital number, since it uses as much as digits as its factorization.

715780074491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1975680, while the sum is 53.

The spelling of 715780074491 in words is "seven hundred fifteen billion, seven hundred eighty million, seventy-four thousand, four hundred ninety-one".