716716769 has 2 divisors, whose sum is σ = 716716770. Its totient is φ = 716716768.

The previous prime is 716716697. The next prime is 716716783. The reversal of 716716769 is 967617617.

It is a happy number.

716716769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (716716697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 714867169 + 1849600 = 26737^2 + 1360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716716769 is a prime.

It is a super-2 number, since 2×716716769² = 1027365853931598722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (716716789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358358384 + 358358385.

It is an arithmetic number, because the mean of its divisors is an integer number (358358385).

Almost surely, 2^716716769 is an apocalyptic number.

It is an amenable number.

716716769 is a deficient number, since it is larger than the sum of its proper divisors (1).

716716769 is an equidigital number, since it uses as much as digits as its factorization.

716716769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 666792, while the sum is 50.

The square root of 716716769 is about 26771.5664278353. The cubic root of 716716769 is about 894.9165133365.

The spelling of 716716769 in words is "seven hundred sixteen million, seven hundred sixteen thousand, seven hundred sixty-nine".