6366628658879 has 2 divisors, whose sum is σ = 6366628658880. Its totient is φ = 6366628658878.

The previous prime is 6366628658849. The next prime is 6366628659019. The reversal of 6366628658879 is 9788568266636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6366628658879 - 2³² = 6362333691583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6366628658849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3183314329439 + 3183314329440.

It is an arithmetic number, because the mean of its divisors is an integer number (3183314329440).

Almost surely, 2^{6366628658879} is an apocalyptic number.

6366628658879 is a deficient number, since it is larger than the sum of its proper divisors (1).

6366628658879 is an equidigital number, since it uses as much as digits as its factorization.

6366628658879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7524679680, while the sum is 80.

The spelling of 6366628658879 in words is "six trillion, three hundred sixty-six billion, six hundred twenty-eight million, six hundred fifty-eight thousand, eight hundred seventy-nine".