2564324818 has 32 divisors (see below), whose sum is σ = 4239267840. Its totient is φ = 1153676160.

The previous prime is 2564324779. The next prime is 2564324831. The reversal of 2564324818 is 8184234652.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1588980 + ... + 1590592.

It is an arithmetic number, because the mean of its divisors is an integer number (132477120).

Almost surely, 2^2564324818 is an apocalyptic number.

2564324818 is a deficient number, since it is larger than the sum of its proper divisors (1674943022).

2564324818 is a wasteful number, since it uses less digits than its factorization.

2564324818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322.

The product of its digits is 368640, while the sum is 43.

The square root of 2564324818 is about 50639.1628880257. The cubic root of 2564324818 is about 1368.7506713146.

The spelling of 2564324818 in words is "two billion, five hundred sixty-four million, three hundred twenty-four thousand, eight hundred eighteen".