716669231 has 2 divisors, whose sum is σ = 716669232. Its totient is φ = 716669230.

The previous prime is 716669209. The next prime is 716669237. The reversal of 716669231 is 132966617.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716669231 is a prime.

It is a super-2 number, since 2×716669231² = 1027229573324262722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716669237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358334615 + 358334616.

It is an arithmetic number, because the mean of its divisors is an integer number (358334616).

Almost surely, 2^716669231 is an apocalyptic number.

716669231 is a deficient number, since it is larger than the sum of its proper divisors (1).

716669231 is an equidigital number, since it uses as much as digits as its factorization.

716669231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 716669231 is about 26770.6785681648. The cubic root of 716669231 is about 894.8967270538.

The spelling of 716669231 in words is "seven hundred sixteen million, six hundred sixty-nine thousand, two hundred thirty-one".