6808343831 has 2 divisors, whose sum is σ = 6808343832. Its totient is φ = 6808343830.

The previous prime is 6808343809. The next prime is 6808343851. The reversal of 6808343831 is 1383438086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6808343831 - 2²⁶ = 6741234967 is a prime.

It is a super-2 number, since 2×6808343831² = 92707091442231513122, which contains 22 as substring.

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 (6808343851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3404171915 + 3404171916.

It is an arithmetic number, because the mean of its divisors is an integer number (3404171916).

Almost surely, 2^6808343831 is an apocalyptic number.

6808343831 is a deficient number, since it is larger than the sum of its proper divisors (1).

6808343831 is an equidigital number, since it uses as much as digits as its factorization.

6808343831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 6808343831 is about 82512.6889090399. The cubic root of 6808343831 is about 1895.3110445210.

The spelling of 6808343831 in words is "six billion, eight hundred eight million, three hundred forty-three thousand, eight hundred thirty-one".