717891552041 has 2 divisors, whose sum is σ = 717891552042. Its totient is φ = 717891552040.

The previous prime is 717891552017. The next prime is 717891552107. The reversal of 717891552041 is 140255198717.

717891552041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 456766464025 + 261125088016 = 675845^2 + 511004^2 .

It is a cyclic number.

It is not a de Polignac number, because 717891552041 - 2³⁴ = 700711682857 is a prime.

It is a super-2 number, since 2×717891552041² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (717891552941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358945776020 + 358945776021.

It is an arithmetic number, because the mean of its divisors is an integer number (358945776021).

Almost surely, 2^717891552041 is an apocalyptic number.

It is an amenable number.

717891552041 is a deficient number, since it is larger than the sum of its proper divisors (1).

717891552041 is an equidigital number, since it uses as much as digits as its factorization.

717891552041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 50.

The spelling of 717891552041 in words is "seven hundred seventeen billion, eight hundred ninety-one million, five hundred fifty-two thousand, forty-one".