426565489 has 8 divisors (see below), whose sum is σ = 500679488. Its totient is φ = 355745520.

The previous prime is 426565481. The next prime is 426565493. The reversal of 426565489 is 984565624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426565489 - 2³ = 426565481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426565481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823227 + ... + 823744.

It is an arithmetic number, because the mean of its divisors is an integer number (62584936).

Almost surely, 2^426565489 is an apocalyptic number.

It is an amenable number.

426565489 is a deficient number, since it is larger than the sum of its proper divisors (74113999).

426565489 is a wasteful number, since it uses less digits than its factorization.

426565489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647015.

The product of its digits is 2073600, while the sum is 49.

The square root of 426565489 is about 20653.4619131999. The cubic root of 426565489 is about 752.7693110069.

The spelling of 426565489 in words is "four hundred twenty-six million, five hundred sixty-five thousand, four hundred eighty-nine".