6669692831 has 2 divisors, whose sum is σ = 6669692832. Its totient is φ = 6669692830.

The previous prime is 6669692767. The next prime is 6669692839. The reversal of 6669692831 is 1382969666.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6669692831 - 2⁶ = 6669692767 is a prime.

It is a super-2 number, since 2×6669692831² = 88969604919785589122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6669692839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3334846415 + 3334846416.

It is an arithmetic number, because the mean of its divisors is an integer number (3334846416).

Almost surely, 2^6669692831 is an apocalyptic number.

6669692831 is a deficient number, since it is larger than the sum of its proper divisors (1).

6669692831 is an equidigital number, since it uses as much as digits as its factorization.

6669692831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 56.

The square root of 6669692831 is about 81668.1873865216. The cubic root of 6669692831 is about 1882.3567876511.

The spelling of 6669692831 in words is "six billion, six hundred sixty-nine million, six hundred ninety-two thousand, eight hundred thirty-one".