6412681879 has 2 divisors, whose sum is σ = 6412681880. Its totient is φ = 6412681878.

The previous prime is 6412681867. The next prime is 6412681897. The reversal of 6412681879 is 9781862146.

Together with next prime (6412681897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6412681879 - 2²⁷ = 6278464151 is a prime.

It is a super-2 number, since 2×6412681879² = 82244977762509941282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6412681679) 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, 3206340939 + 3206340940.

It is an arithmetic number, because the mean of its divisors is an integer number (3206340940).

Almost surely, 2^6412681879 is an apocalyptic number.

6412681879 is a deficient number, since it is larger than the sum of its proper divisors (1).

6412681879 is an equidigital number, since it uses as much as digits as its factorization.

6412681879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 52.

The square root of 6412681879 is about 80079.2225174546. Note that the first 3 decimals coincide. The cubic root of 6412681879 is about 1857.8610590728.

The spelling of 6412681879 in words is "six billion, four hundred twelve million, six hundred eighty-one thousand, eight hundred seventy-nine".