426495609 has 12 divisors (see below), whose sum is σ = 652287636. Its totient is φ = 267604992.

The previous prime is 426495593. The next prime is 426495617. The reversal of 426495609 is 906594624.

426495609 is a `hidden beast` number, since 42 + 6 + 49 + 560 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 391921209 + 34574400 = 19797^2 + 5880^2 .

It is not a de Polignac number, because 426495609 - 2⁴ = 426495593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426495649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1393624 + ... + 1393929.

It is an arithmetic number, because the mean of its divisors is an integer number (54357303).

Almost surely, 2^426495609 is an apocalyptic number.

It is an amenable number.

426495609 is a deficient number, since it is larger than the sum of its proper divisors (225792027).

426495609 is a wasteful number, since it uses less digits than its factorization.

426495609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787576 (or 2787573 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 426495609 is about 20651.7701178374. The cubic root of 426495609 is about 752.7282025147.

The spelling of 426495609 in words is "four hundred twenty-six million, four hundred ninety-five thousand, six hundred nine".