6879213239 has 2 divisors, whose sum is σ = 6879213240. Its totient is φ = 6879213238.

The previous prime is 6879213199. The next prime is 6879213247. The reversal of 6879213239 is 9323129786.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6879213239 - 2³² = 2584245943 is a prime.

It is a super-2 number, since 2×6879213239² = 94647149575265742242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6879212239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3439606619 + 3439606620.

It is an arithmetic number, because the mean of its divisors is an integer number (3439606620).

Almost surely, 2^6879213239 is an apocalyptic number.

6879213239 is a deficient number, since it is larger than the sum of its proper divisors (1).

6879213239 is an equidigital number, since it uses as much as digits as its factorization.

6879213239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 50.

The square root of 6879213239 is about 82941.0226546550. The cubic root of 6879213239 is about 1901.8645813052.

The spelling of 6879213239 in words is "six billion, eight hundred seventy-nine million, two hundred thirteen thousand, two hundred thirty-nine".