426261913 has 8 divisors (see below), whose sum is σ = 531443520. Its totient is φ = 332152080.

The previous prime is 426261907. The next prime is 426261931. The reversal of 426261913 is 319162624.

It is a happy number.

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 426261913 - 2²¹ = 424164761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426261013) 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, 2767858 + ... + 2768011.

It is an arithmetic number, because the mean of its divisors is an integer number (66430440).

Almost surely, 2^426261913 is an apocalyptic number.

It is an amenable number.

426261913 is a deficient number, since it is larger than the sum of its proper divisors (105181607).

426261913 is a wasteful number, since it uses less digits than its factorization.

426261913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535887.

The product of its digits is 15552, while the sum is 34.

The square root of 426261913 is about 20646.1113287708. Note that the first 3 decimals coincide. The cubic root of 426261913 is about 752.5906929244.

The spelling of 426261913 in words is "four hundred twenty-six million, two hundred sixty-one thousand, nine hundred thirteen".