426716831 has 2 divisors, whose sum is σ = 426716832. Its totient is φ = 426716830.

The previous prime is 426716827. The next prime is 426716837. The reversal of 426716831 is 138617624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426716831 - 2² = 426716827 is a prime.

It is a super-2 number, since 2×426716831² = 364174507717365122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426716837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213358415 + 213358416.

It is an arithmetic number, because the mean of its divisors is an integer number (213358416).

Almost surely, 2^426716831 is an apocalyptic number.

426716831 is a deficient number, since it is larger than the sum of its proper divisors (1).

426716831 is an equidigital number, since it uses as much as digits as its factorization.

426716831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 426716831 is about 20657.1254292556. The cubic root of 426716831 is about 752.8583259768.

The spelling of 426716831 in words is "four hundred twenty-six million, seven hundred sixteen thousand, eight hundred thirty-one".