6856462331 has 2 divisors, whose sum is σ = 6856462332. Its totient is φ = 6856462330.

The previous prime is 6856462247. The next prime is 6856462343. The reversal of 6856462331 is 1332646586.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6856462331 - 2¹⁰ = 6856461307 is a prime.

It is a super-2 number, since 2×6856462331² = 94022151392843907122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6856462351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3428231165 + 3428231166.

It is an arithmetic number, because the mean of its divisors is an integer number (3428231166).

Almost surely, 2^6856462331 is an apocalyptic number.

6856462331 is a deficient number, since it is larger than the sum of its proper divisors (1).

6856462331 is an equidigital number, since it uses as much as digits as its factorization.

6856462331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 44.

The square root of 6856462331 is about 82803.7579521606. The cubic root of 6856462331 is about 1899.7656526294.

The spelling of 6856462331 in words is "six billion, eight hundred fifty-six million, four hundred sixty-two thousand, three hundred thirty-one".