2564863298 has 24 divisors (see below), whose sum is σ = 4016243712. Its totient is φ = 1228357872.

The previous prime is 2564863283. The next prime is 2564863307. The reversal of 2564863298 is 8923684652.

It is a Curzon number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 207611 + ... + 219617.

It is an arithmetic number, because the mean of its divisors is an integer number (167343488).

Almost surely, 2^2564863298 is an apocalyptic number.

2564863298 is a deficient number, since it is larger than the sum of its proper divisors (1451380414).

2564863298 is a wasteful number, since it uses less digits than its factorization.

2564863298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12194 (or 12165 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 53.

The square root of 2564863298 is about 50644.4794424822. The cubic root of 2564863298 is about 1368.8464721367.

The spelling of 2564863298 in words is "two billion, five hundred sixty-four million, eight hundred sixty-three thousand, two hundred ninety-eight".