426804756331 has 2 divisors, whose sum is σ = 426804756332. Its totient is φ = 426804756330.

The previous prime is 426804756319. The next prime is 426804756349. The reversal of 426804756331 is 133657408624.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426804756331 is a prime.

It is a super-2 number, since 2×426804756331² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (426804750331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213402378165 + 213402378166.

It is an arithmetic number, because the mean of its divisors is an integer number (213402378166).

Almost surely, 2^426804756331 is an apocalyptic number.

426804756331 is a deficient number, since it is larger than the sum of its proper divisors (1).

426804756331 is an equidigital number, since it uses as much as digits as its factorization.

426804756331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 426804756331 in words is "four hundred twenty-six billion, eight hundred four million, seven hundred fifty-six thousand, three hundred thirty-one".