6418255859 has 2 divisors, whose sum is σ = 6418255860. Its totient is φ = 6418255858.

The previous prime is 6418255819. The next prime is 6418255873. The reversal of 6418255859 is 9585528146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6418255859 - 2¹⁶ = 6418190323 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6418255859.

It is not a weakly prime, because it can be changed into another prime (6418255819) 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 as a sum of consecutive naturals, namely, 3209127929 + 3209127930.

It is an arithmetic number, because the mean of its divisors is an integer number (3209127930).

Almost surely, 2^6418255859 is an apocalyptic number.

6418255859 is a deficient number, since it is larger than the sum of its proper divisors (1).

6418255859 is an equidigital number, since it uses as much as digits as its factorization.

6418255859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456000, while the sum is 53.

The square root of 6418255859 is about 80114.0178682857. The cubic root of 6418255859 is about 1858.3991948898.

The spelling of 6418255859 in words is "six billion, four hundred eighteen million, two hundred fifty-five thousand, eight hundred fifty-nine".