426443959 has 2 divisors, whose sum is σ = 426443960. Its totient is φ = 426443958.

The previous prime is 426443921. The next prime is 426444001. The reversal of 426443959 is 959344624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426443959 - 2⁹ = 426443447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426443909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213221979 + 213221980.

It is an arithmetic number, because the mean of its divisors is an integer number (213221980).

Almost surely, 2^426443959 is an apocalyptic number.

426443959 is a deficient number, since it is larger than the sum of its proper divisors (1).

426443959 is an equidigital number, since it uses as much as digits as its factorization.

426443959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 46.

The square root of 426443959 is about 20650.5195818410. The cubic root of 426443959 is about 752.6978153467.

The spelling of 426443959 in words is "four hundred twenty-six million, four hundred forty-three thousand, nine hundred fifty-nine".