6406675831 has 2 divisors, whose sum is σ = 6406675832. Its totient is φ = 6406675830.

The previous prime is 6406675813. The next prime is 6406675861. The reversal of 6406675831 is 1385766046.

Together with previous prime (6406675813) 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 6406675831 - 2⁵ = 6406675799 is a prime.

It is a super-2 number, since 2×6406675831² = 82090990407039081122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6406675861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3203337915 + 3203337916.

It is an arithmetic number, because the mean of its divisors is an integer number (3203337916).

Almost surely, 2^6406675831 is an apocalyptic number.

6406675831 is a deficient number, since it is larger than the sum of its proper divisors (1).

6406675831 is an equidigital number, since it uses as much as digits as its factorization.

6406675831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 6406675831 is about 80041.7130688743. The cubic root of 6406675831 is about 1857.2808604219.

The spelling of 6406675831 in words is "six billion, four hundred six million, six hundred seventy-five thousand, eight hundred thirty-one".