716923589 has 2 divisors, whose sum is σ = 716923590. Its totient is φ = 716923588.

The previous prime is 716923579. The next prime is 716923607. The reversal of 716923589 is 985329617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 703840900 + 13082689 = 26530^2 + 3617^2 .

It is an emirp because it is prime and its reverse (985329617) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716923589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716923579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358461794 + 358461795.

It is an arithmetic number, because the mean of its divisors is an integer number (358461795).

Almost surely, 2^716923589 is an apocalyptic number.

It is an amenable number.

716923589 is a deficient number, since it is larger than the sum of its proper divisors (1).

716923589 is an equidigital number, since it uses as much as digits as its factorization.

716923589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 50.

The square root of 716923589 is about 26775.4288294324. The cubic root of 716923589 is about 895.0025858461.

The spelling of 716923589 in words is "seven hundred sixteen million, nine hundred twenty-three thousand, five hundred eighty-nine".