6389371679 has 2 divisors, whose sum is σ = 6389371680. Its totient is φ = 6389371678.

The previous prime is 6389371657. The next prime is 6389371691. The reversal of 6389371679 is 9761739836.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6389371679 - 2²⁰ = 6388323103 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6389301679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3194685839 + 3194685840.

It is an arithmetic number, because the mean of its divisors is an integer number (3194685840).

Almost surely, 2^6389371679 is an apocalyptic number.

6389371679 is a deficient number, since it is larger than the sum of its proper divisors (1).

6389371679 is an equidigital number, since it uses as much as digits as its factorization.

6389371679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10287648, while the sum is 59.

The square root of 6389371679 is about 79933.5453924071. The cubic root of 6389371679 is about 1855.6072078284.

The spelling of 6389371679 in words is "six billion, three hundred eighty-nine million, three hundred seventy-one thousand, six hundred seventy-nine".