6426428859 has 12 divisors (see below), whose sum is σ = 9828656136. Its totient is φ = 4032268992.

The previous prime is 6426428849. The next prime is 6426428891. The reversal of 6426428859 is 9588246246.

6426428859 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6426428859 - 2³¹ = 4278945211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6426428849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21001249 + ... + 21001554.

It is an arithmetic number, because the mean of its divisors is an integer number (819054678).

Almost surely, 2^6426428859 is an apocalyptic number.

6426428859 is a deficient number, since it is larger than the sum of its proper divisors (3402227277).

6426428859 is a wasteful number, since it uses less digits than its factorization.

6426428859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42002826 (or 42002823 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The square root of 6426428859 is about 80165.0101914794. The cubic root of 6426428859 is about 1859.1876881306.

The spelling of 6426428859 in words is "six billion, four hundred twenty-six million, four hundred twenty-eight thousand, eight hundred fifty-nine".