2564009246 has 32 divisors (see below), whose sum is σ = 3982556160. Its totient is φ = 1237307904.

The previous prime is 2564009243. The next prime is 2564009267. The reversal of 2564009246 is 6429004652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564009243) by changing a digit.

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, 2970611 + ... + 2971473.

It is an arithmetic number, because the mean of its divisors is an integer number (124454880).

Almost surely, 2^2564009246 is an apocalyptic number.

2564009246 is a deficient number, since it is larger than the sum of its proper divisors (1418546914).

2564009246 is a wasteful number, since it uses less digits than its factorization.

2564009246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 2564009246 is about 50636.0469033672. The cubic root of 2564009246 is about 1368.6945217577.

The spelling of 2564009246 in words is "two billion, five hundred sixty-four million, nine thousand, two hundred forty-six".