717952877041 has 3 divisors (see below), whose sum is σ = 717953724363. Its totient is φ = 717952029720.

The previous prime is 717952877023. The next prime is 717952877107. The reversal of 717952877041 is 140778259717.

The square root of 717952877041 is 847321.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 173663059441 + 544289817600 = 416729^2 + 737760^2 .

It is not a de Polignac number, because 717952877041 - 2²⁵ = 717919322609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (717952877441) 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 in 2 ways as a sum of consecutive naturals, for example, 423661 + ... + 1270981.

It is an arithmetic number, because the mean of its divisors is an integer number (239317908121).

Almost surely, 2^717952877041 is an apocalyptic number.

717952877041 is the 847321-st square number.

717952877041 is the 423661-st centered octagonal number.

It is an amenable number.

717952877041 is a deficient number, since it is larger than the sum of its proper divisors (847322).

717952877041 is an frugal number, since it uses more digits than its factorization.

717952877041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694642 (or 847321 counting only the distinct ones).

The product of its (nonzero) digits is 6914880, while the sum is 58.

The spelling of 717952877041 in words is "seven hundred seventeen billion, nine hundred fifty-two million, eight hundred seventy-seven thousand, forty-one".