717612686741 has 2 divisors, whose sum is σ = 717612686742. Its totient is φ = 717612686740.

The previous prime is 717612686663. The next prime is 717612686773. The reversal of 717612686741 is 147686216717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 653314941841 + 64297744900 = 808279^2 + 253570^2 .

It is a cyclic number.

It is not a de Polignac number, because 717612686741 - 2¹⁸ = 717612424597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (717612686641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358806343370 + 358806343371.

It is an arithmetic number, because the mean of its divisors is an integer number (358806343371).

Almost surely, 2^717612686741 is an apocalyptic number.

It is an amenable number.

717612686741 is a deficient number, since it is larger than the sum of its proper divisors (1).

717612686741 is an equidigital number, since it uses as much as digits as its factorization.

717612686741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4741632, while the sum is 56.

The spelling of 717612686741 in words is "seven hundred seventeen billion, six hundred twelve million, six hundred eighty-six thousand, seven hundred forty-one".