716681807773 has 2 divisors, whose sum is σ = 716681807774. Its totient is φ = 716681807772.

The previous prime is 716681807767. The next prime is 716681807789. The reversal of 716681807773 is 377708186617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 584853269049 + 131828538724 = 764757^2 + 363082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716681807773 is a prime.

It is a super-3 number, since 3×716681807773³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716681807173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358340903886 + 358340903887.

It is an arithmetic number, because the mean of its divisors is an integer number (358340903887).

Almost surely, 2^716681807773 is an apocalyptic number.

It is an amenable number.

716681807773 is a deficient number, since it is larger than the sum of its proper divisors (1).

716681807773 is an equidigital number, since it uses as much as digits as its factorization.

716681807773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16595712, while the sum is 61.

The spelling of 716681807773 in words is "seven hundred sixteen billion, six hundred eighty-one million, eight hundred seven thousand, seven hundred seventy-three".