717924068369 has 2 divisors, whose sum is σ = 717924068370. Its totient is φ = 717924068368.

The previous prime is 717924068359. The next prime is 717924068429. The reversal of 717924068369 is 963860429717.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 652359905344 + 65564163025 = 807688^2 + 256055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-717924068369 is a prime.

It is a super-2 number, since 2×717924068369² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (717924068359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358962034184 + 358962034185.

It is an arithmetic number, because the mean of its divisors is an integer number (358962034185).

Almost surely, 2^717924068369 is an apocalyptic number.

It is an amenable number.

717924068369 is a deficient number, since it is larger than the sum of its proper divisors (1).

717924068369 is an equidigital number, since it uses as much as digits as its factorization.

717924068369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27433728, while the sum is 62.

The spelling of 717924068369 in words is "seven hundred seventeen billion, nine hundred twenty-four million, sixty-eight thousand, three hundred sixty-nine".