426013663 has 4 divisors (see below), whose sum is σ = 426482208. Its totient is φ = 425545120.

The previous prime is 426013633. The next prime is 426013667. The reversal of 426013663 is 366310624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426013663 - 2⁵ = 426013631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426013667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232906 + ... + 234727.

It is an arithmetic number, because the mean of its divisors is an integer number (106620552).

Almost surely, 2^426013663 is an apocalyptic number.

426013663 is a deficient number, since it is larger than the sum of its proper divisors (468545).

426013663 is an equidigital number, since it uses as much as digits as its factorization.

426013663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468544.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 426013663 is about 20640.0984251529. The cubic root of 426013663 is about 752.4445645193. Note that the first 3 decimals are identical.

It can be divided in two parts, 42601 and 3663, that added together give a palindrome (46264).

The spelling of 426013663 in words is "four hundred twenty-six million, thirteen thousand, six hundred sixty-three".