426370631 has 2 divisors, whose sum is σ = 426370632. Its totient is φ = 426370630.

The previous prime is 426370627. The next prime is 426370667. The reversal of 426370631 is 136073624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426370631 - 2² = 426370627 is a prime.

It is a super-2 number, since 2×426370631² = 363583829958676322, 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 (426370331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213185315 + 213185316.

It is an arithmetic number, because the mean of its divisors is an integer number (213185316).

Almost surely, 2^426370631 is an apocalyptic number.

426370631 is a deficient number, since it is larger than the sum of its proper divisors (1).

426370631 is an equidigital number, since it uses as much as digits as its factorization.

426370631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 426370631 is about 20648.7440538160. The cubic root of 426370631 is about 752.6546701783.

The spelling of 426370631 in words is "four hundred twenty-six million, three hundred seventy thousand, six hundred thirty-one".