6426426959 has 2 divisors, whose sum is σ = 6426426960. Its totient is φ = 6426426958.

The previous prime is 6426426953. The next prime is 6426426971. The reversal of 6426426959 is 9596246246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6426426959 - 2⁸ = 6426426703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6426426959.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6426426953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3213213479 + 3213213480.

It is an arithmetic number, because the mean of its divisors is an integer number (3213213480).

Almost surely, 2^6426426959 is an apocalyptic number.

6426426959 is a deficient number, since it is larger than the sum of its proper divisors (1).

6426426959 is an equidigital number, since it uses as much as digits as its factorization.

6426426959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 53.

The square root of 6426426959 is about 80164.9983409218. The cubic root of 6426426959 is about 1859.1875049051.

The spelling of 6426426959 in words is "six billion, four hundred twenty-six million, four hundred twenty-six thousand, nine hundred fifty-nine".