6426326959 has 4 divisors (see below), whose sum is σ = 6920659816. Its totient is φ = 5931994104.

The previous prime is 6426326917. The next prime is 6426326993. The reversal of 6426326959 is 9596236246.

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 6426326959 - 2⁹ = 6426326447 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 (6426326999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247166409 + ... + 247166434.

It is an arithmetic number, because the mean of its divisors is an integer number (1730164954).

Almost surely, 2^6426326959 is an apocalyptic number.

6426326959 is a deficient number, since it is larger than the sum of its proper divisors (494332857).

6426326959 is a wasteful number, since it uses less digits than its factorization.

6426326959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494332856.

The product of its digits is 4199040, while the sum is 52.

The square root of 6426326959 is about 80164.3746248918. The cubic root of 6426326959 is about 1859.1778614067.

The spelling of 6426326959 in words is "six billion, four hundred twenty-six million, three hundred twenty-six thousand, nine hundred fifty-nine".