2564205354 has 24 divisors (see below), whose sum is σ = 5691286692. Its totient is φ = 833887680.

The previous prime is 2564205277. The next prime is 2564205361. The reversal of 2564205354 is 4535024652.

2564205354 is a `hidden beast` number, since 2 + 5 + 642 + 0 + 5 + 3 + 5 + 4 = 666.

2564205354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2249320329 + 314885025 = 47427^2 + 17745^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1736529 + ... + 1738004.

Almost surely, 2^2564205354 is an apocalyptic number.

2564205354 is an abundant number, since it is smaller than the sum of its proper divisors (3127081338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2564205354 is a wasteful number, since it uses less digits than its factorization.

2564205354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474582 (or 3474579 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The square root of 2564205354 is about 50637.9833129243. The cubic root of 2564205354 is about 1368.7294156909.

The spelling of 2564205354 in words is "two billion, five hundred sixty-four million, two hundred five thousand, three hundred fifty-four".