716936993 has 2 divisors, whose sum is σ = 716936994. Its totient is φ = 716936992.

The previous prime is 716936981. The next prime is 716937017. The reversal of 716936993 is 399639617.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 437144464 + 279792529 = 20908^2 + 16727^2 .

It is a cyclic number.

It is not a de Polignac number, because 716936993 - 2¹⁴ = 716920609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (716936953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358468496 + 358468497.

It is an arithmetic number, because the mean of its divisors is an integer number (358468497).

Almost surely, 2^716936993 is an apocalyptic number.

It is an amenable number.

716936993 is a deficient number, since it is larger than the sum of its proper divisors (1).

716936993 is an equidigital number, since it uses as much as digits as its factorization.

716936993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1653372, while the sum is 53.

The square root of 716936993 is about 26775.6791323768. The cubic root of 716936993 is about 895.0081636325.

The spelling of 716936993 in words is "seven hundred sixteen million, nine hundred thirty-six thousand, nine hundred ninety-three".