426326913 has 24 divisors (see below), whose sum is σ = 634159656. Its totient is φ = 275788800.

The previous prime is 426326899. The next prime is 426326933. The reversal of 426326913 is 319623624.

426326913 is a `hidden beast` number, since 4 + 2 + 632 + 6 + 9 + 13 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 128867904 + 297459009 = 11352^2 + 17247^2 .

It is not a de Polignac number, because 426326913 - 2⁵ = 426326881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426326933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138673 + ... + 141713.

It is an arithmetic number, because the mean of its divisors is an integer number (26423319).

Almost surely, 2^426326913 is an apocalyptic number.

It is an amenable number.

426326913 is a deficient number, since it is larger than the sum of its proper divisors (207832743).

426326913 is a wasteful number, since it uses less digits than its factorization.

426326913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505 (or 3502 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 426326913 is about 20647.6854150774. The cubic root of 426326913 is about 752.6289447654.

The spelling of 426326913 in words is "four hundred twenty-six million, three hundred twenty-six thousand, nine hundred thirteen".