426631159 has 2 divisors, whose sum is σ = 426631160. Its totient is φ = 426631158.

The previous prime is 426631157. The next prime is 426631217. The reversal of 426631159 is 951136624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426631159 - 2¹ = 426631157 is a prime.

Together with 426631157, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426631157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213315579 + 213315580.

It is an arithmetic number, because the mean of its divisors is an integer number (213315580).

Almost surely, 2^426631159 is an apocalyptic number.

426631159 is a deficient number, since it is larger than the sum of its proper divisors (1).

426631159 is an equidigital number, since it uses as much as digits as its factorization.

426631159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 426631159 is about 20655.0516581295. The cubic root of 426631159 is about 752.8079387795.

The spelling of 426631159 in words is "four hundred twenty-six million, six hundred thirty-one thousand, one hundred fifty-nine".