426926961585 has 24 divisors (see below), whose sum is σ = 765524209320. Its totient is φ = 219842848512.

The previous prime is 426926961523. The next prime is 426926961677. The reversal of 426926961585 is 585169629624.

It is a happy number.

426926961585 is a `hidden beast` number, since 4 + 2 + 6 + 9 + 2 + 6 + 9 + 615 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 71423631504 + 355503330081 = 267252^2 + 596241^2 .

It is not a de Polignac number, because 426926961585 - 2⁹ = 426926961073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163572244 + ... + 163574853.

It is an arithmetic number, because the mean of its divisors is an integer number (31896842055).

Almost surely, 2^426926961585 is an apocalyptic number.

426926961585 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

426926961585 is a deficient number, since it is larger than the sum of its proper divisors (338597247735).

426926961585 is a wasteful number, since it uses less digits than its factorization.

426926961585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327147137 (or 327147134 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 63.

The spelling of 426926961585 in words is "four hundred twenty-six billion, nine hundred twenty-six million, nine hundred sixty-one thousand, five hundred eighty-five".