426946085531 has 6 divisors (see below), whose sum is σ = 496651568940. Its totient is φ = 365953787556.

The previous prime is 426946085521. The next prime is 426946085543. The reversal of 426946085531 is 135580649624.

It is a happy number.

It is not a de Polignac number, because 426946085531 - 2²² = 426941891227 is a prime.

It is a super-2 number, since 2×426946085531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426946085521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4356592661 + ... + 4356592758.

It is an arithmetic number, because the mean of its divisors is an integer number (82775261490).

Almost surely, 2^426946085531 is an apocalyptic number.

426946085531 is a deficient number, since it is larger than the sum of its proper divisors (69705483409).

426946085531 is an equidigital number, since it uses as much as digits as its factorization.

426946085531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8713185433 (or 8713185426 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 426946085531 in words is "four hundred twenty-six billion, nine hundred forty-six million, eighty-five thousand, five hundred thirty-one".