864358459 has 2 divisors, whose sum is σ = 864358460. Its totient is φ = 864358458.

The previous prime is 864358447. The next prime is 864358483. The reversal of 864358459 is 954853468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 864358459 - 2⁹ = 864357947 is a prime.

It is not a weakly prime, because it can be changed into another prime (864358559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432179229 + 432179230.

It is an arithmetic number, because the mean of its divisors is an integer number (432179230).

Almost surely, 2^864358459 is an apocalyptic number.

864358459 is a deficient number, since it is larger than the sum of its proper divisors (1).

864358459 is an equidigital number, since it uses as much as digits as its factorization.

864358459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4147200, while the sum is 52.

The square root of 864358459 is about 29399.9737925053. The cubic root of 864358459 is about 952.5723301438.

The spelling of 864358459 in words is "eight hundred sixty-four million, three hundred fifty-eight thousand, four hundred fifty-nine".