790717016681 has 2 divisors, whose sum is σ = 790717016682. Its totient is φ = 790717016680.

The previous prime is 790717016669. The next prime is 790717016693. The reversal of 790717016681 is 186610717097.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (790717016669) and next prime (790717016693).

It can be written as a sum of positive squares in only one way, i.e., 588112603225 + 202604413456 = 766885^2 + 450116^2 .

It is a cyclic number.

It is not a de Polignac number, because 790717016681 - 2³⁰ = 789643274857 is a prime.

It is a super-2 number, since 2×790717016681² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (790717016281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395358508340 + 395358508341.

It is an arithmetic number, because the mean of its divisors is an integer number (395358508341).

Almost surely, 2^790717016681 is an apocalyptic number.

It is an amenable number.

790717016681 is a deficient number, since it is larger than the sum of its proper divisors (1).

790717016681 is an equidigital number, since it uses as much as digits as its factorization.

790717016681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 889056, while the sum is 53.

The spelling of 790717016681 in words is "seven hundred ninety billion, seven hundred seventeen million, sixteen thousand, six hundred eighty-one".