716624149404689 has 2 divisors, whose sum is σ = 716624149404690. Its totient is φ = 716624149404688.

The previous prime is 716624149404661. The next prime is 716624149404859. The reversal of 716624149404689 is 986404941426617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 674649559116289 + 41974590288400 = 25974017^2 + 6478780^2 .

It is a cyclic number.

It is not a de Polignac number, because 716624149404689 - 2⁸ = 716624149404433 is a prime.

It is not a weakly prime, because it can be changed into another prime (716624149404649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358312074702344 + 358312074702345.

It is an arithmetic number, because the mean of its divisors is an integer number (358312074702345).

Almost surely, 2^{716624149404689} is an apocalyptic number.

It is an amenable number.

716624149404689 is a deficient number, since it is larger than the sum of its proper divisors (1).

716624149404689 is an equidigital number, since it uses as much as digits as its factorization.

716624149404689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 501645312, while the sum is 71.

The spelling of 716624149404689 in words is "seven hundred sixteen trillion, six hundred twenty-four billion, one hundred forty-nine million, four hundred four thousand, six hundred eighty-nine".