716716617619 has 2 divisors, whose sum is σ = 716716617620. Its totient is φ = 716716617618.

The previous prime is 716716617607. The next prime is 716716617623. The reversal of 716716617619 is 916716617617.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (916716617617) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 716716617619 - 2¹⁵ = 716716584851 is a prime.

It is a super-2 number, since 2×716716617619² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (716716617649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358358308809 + 358358308810.

It is an arithmetic number, because the mean of its divisors is an integer number (358358308810).

Almost surely, 2^716716617619 is an apocalyptic number.

716716617619 is a deficient number, since it is larger than the sum of its proper divisors (1).

716716617619 is an equidigital number, since it uses as much as digits as its factorization.

716716617619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4000752, while the sum is 58.

The spelling of 716716617619 in words is "seven hundred sixteen billion, seven hundred sixteen million, six hundred seventeen thousand, six hundred nineteen".