717712365313 has 2 divisors, whose sum is σ = 717712365314. Its totient is φ = 717712365312.

The previous prime is 717712365311. The next prime is 717712365427. The reversal of 717712365313 is 313563217717.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539149495824 + 178562869489 = 734268^2 + 422567^2 .

It is a cyclic number.

It is not a de Polignac number, because 717712365313 - 2¹ = 717712365311 is a prime.

It is a super-2 number, since 2×717712365313² (a number of 25 digits) contains 22 as substring.

Together with 717712365311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (717712365311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358856182656 + 358856182657.

It is an arithmetic number, because the mean of its divisors is an integer number (358856182657).

Almost surely, 2^717712365313 is an apocalyptic number.

It is an amenable number.

717712365313 is a deficient number, since it is larger than the sum of its proper divisors (1).

717712365313 is an equidigital number, since it uses as much as digits as its factorization.

717712365313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 555660, while the sum is 46.

The spelling of 717712365313 in words is "seven hundred seventeen billion, seven hundred twelve million, three hundred sixty-five thousand, three hundred thirteen".