2564133871798 has 32 divisors (see below), whose sum is σ = 3968553553920. Its totient is φ = 1241618847840.

The previous prime is 2564133871751. The next prime is 2564133871813. The reversal of 2564133871798 is 8971783314652.

It is a congruent 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, 13823793 + ... + 14008051.

It is an arithmetic number, because the mean of its divisors is an integer number (124017298560).

Almost surely, 2^{2564133871798} is an apocalyptic number.

2564133871798 is a deficient number, since it is larger than the sum of its proper divisors (1404419682122).

2564133871798 is a wasteful number, since it uses less digits than its factorization.

2564133871798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185172.

The product of its digits is 60963840, while the sum is 64.

The spelling of 2564133871798 in words is "two trillion, five hundred sixty-four billion, one hundred thirty-three million, eight hundred seventy-one thousand, seven hundred ninety-eight".