2564236324652 has 12 divisors (see below), whose sum is σ = 4487426635776. Its totient is φ = 1282114428720.

The previous prime is 2564236324649. The next prime is 2564236324669.

2564236324652 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2564236324652² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2564236324652.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107938 + ... + 2521110.

It is an arithmetic number, because the mean of its divisors is an integer number (373952219648).

Almost surely, 2^{2564236324652} is an apocalyptic number.

It is an amenable number.

2564236324652 is a deficient number, since it is larger than the sum of its proper divisors (1923190311124).

2564236324652 is a wasteful number, since it uses less digits than its factorization.

2564236324652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866808 (or 1866806 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 50.

The spelling of 2564236324652 in words is "two trillion, five hundred sixty-four billion, two hundred thirty-six million, three hundred twenty-four thousand, six hundred fifty-two".