426409911 has 12 divisors (see below), whose sum is σ = 616928520. Its totient is φ = 283810320.

The previous prime is 426409901. The next prime is 426409931. The reversal of 426409911 is 119904624.

It is a happy number.

426409911 is a `hidden beast` number, since 4 + 2 + 640 + 9 + 9 + 1 + 1 = 666.

It is not a de Polignac number, because 426409911 - 2¹⁸ = 426147767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426409901) 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, 32700 + ... + 43841.

It is an arithmetic number, because the mean of its divisors is an integer number (51410710).

Almost surely, 2^426409911 is an apocalyptic number.

426409911 is a deficient number, since it is larger than the sum of its proper divisors (190518609).

426409911 is a wasteful number, since it uses less digits than its factorization.

426409911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77166 (or 77163 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 426409911 is about 20649.6951793483. The cubic root of 426409911 is about 752.6777825954.

The spelling of 426409911 in words is "four hundred twenty-six million, four hundred nine thousand, nine hundred eleven".