716953386361 has 9 divisors (see below), whose sum is σ = 720372562671. Its totient is φ = 713550374472.

The previous prime is 716953386323. The next prime is 716953386377. The reversal of 716953386361 is 163683359617.

It is a happy number.

The square root of 716953386361 is 846731.

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

It can be written as a sum of positive squares in only one way, i.e., 9409970025 + 707543416336 = 97005^2 + 841156^2 .

It is a de Polignac number, because none of the positive numbers 2^k-716953386361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 716953386296 and 716953386305.

It is not an unprimeable number, because it can be changed into a prime (716953386661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 188819115 + ... + 188822911.

Almost surely, 2^716953386361 is an apocalyptic number.

716953386361 is the 846731-st square number.

716953386361 is the 423366-th centered octagonal number.

It is an amenable number.

716953386361 is a deficient number, since it is larger than the sum of its proper divisors (3419176310).

716953386361 is an frugal number, since it uses more digits than its factorization.

716953386361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040 (or 4020 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 58.

The spelling of 716953386361 in words is "seven hundred sixteen billion, nine hundred fifty-three million, three hundred eighty-six thousand, three hundred sixty-one".