679869588353 has 2 divisors, whose sum is σ = 679869588354. Its totient is φ = 679869588352.

The previous prime is 679869588319. The next prime is 679869588379. The reversal of 679869588353 is 353885968976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 668980039744 + 10889548609 = 817912^2 + 104353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-679869588353 is a prime.

It is not a weakly prime, because it can be changed into another prime (679869588313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339934794176 + 339934794177.

It is an arithmetic number, because the mean of its divisors is an integer number (339934794177).

Almost surely, 2^679869588353 is an apocalyptic number.

It is an amenable number.

679869588353 is a deficient number, since it is larger than the sum of its proper divisors (1).

679869588353 is an equidigital number, since it uses as much as digits as its factorization.

679869588353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2351462400, while the sum is 77.

The spelling of 679869588353 in words is "six hundred seventy-nine billion, eight hundred sixty-nine million, five hundred eighty-eight thousand, three hundred fifty-three".