426519907 has 16 divisors (see below), whose sum is σ = 482734080. Its totient is φ = 373290400.

The previous prime is 426519901. The next prime is 426519931. The reversal of 426519907 is 709915624.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 426519907 - 2²³ = 418131299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426519901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120432 + ... + 123922.

It is an arithmetic number, because the mean of its divisors is an integer number (30170880).

Almost surely, 2^426519907 is an apocalyptic number.

426519907 is a deficient number, since it is larger than the sum of its proper divisors (56214173).

426519907 is a wasteful number, since it uses less digits than its factorization.

426519907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 426519907 is about 20652.3583883294. The cubic root of 426519907 is about 752.7424968725.

The spelling of 426519907 in words is "four hundred twenty-six million, five hundred nineteen thousand, nine hundred seven".