426591963 has 24 divisors (see below), whose sum is σ = 707314400. Its totient is φ = 242694144.

The previous prime is 426591959. The next prime is 426592039. The reversal of 426591963 is 369195624.

It is not a de Polignac number, because 426591963 - 2² = 426591959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426591923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 358 + ... + 29211.

Almost surely, 2^426591963 is an apocalyptic number.

426591963 is a deficient number, since it is larger than the sum of its proper divisors (280722437).

426591963 is a wasteful number, since it uses less digits than its factorization.

426591963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29811 (or 29808 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 426591963 is about 20654.1028127585. The cubic root of 426591963 is about 752.7848837642.

The spelling of 426591963 in words is "four hundred twenty-six million, five hundred ninety-one thousand, nine hundred sixty-three".