426648163 has 2 divisors, whose sum is σ = 426648164. Its totient is φ = 426648162.

The previous prime is 426648151. The next prime is 426648179. The reversal of 426648163 is 361846624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426648163 - 2²⁵ = 393093731 is a prime.

It is not a weakly prime, because it can be changed into another prime (426648113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213324081 + 213324082.

It is an arithmetic number, because the mean of its divisors is an integer number (213324082).

Almost surely, 2^426648163 is an apocalyptic number.

426648163 is a deficient number, since it is larger than the sum of its proper divisors (1).

426648163 is an equidigital number, since it uses as much as digits as its factorization.

426648163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

The square root of 426648163 is about 20655.4632724614. The cubic root of 426648163 is about 752.8179400619.

The spelling of 426648163 in words is "four hundred twenty-six million, six hundred forty-eight thousand, one hundred sixty-three".