2564134633533 has 8 divisors (see below), whose sum is σ = 3729650376096. Its totient is φ = 1554020990000.

The previous prime is 2564134633483. The next prime is 2564134633553. The reversal of 2564134633533 is 3353364314652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2564134633533 - 2¹⁶ = 2564134567997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564134633553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38850524718 + ... + 38850524783.

It is an arithmetic number, because the mean of its divisors is an integer number (466206297012).

Almost surely, 2^{2564134633533} is an apocalyptic number.

It is an amenable number.

2564134633533 is a deficient number, since it is larger than the sum of its proper divisors (1165515742563).

2564134633533 is a wasteful number, since it uses less digits than its factorization.

2564134633533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77701049515.

The product of its digits is 6998400, while the sum is 48.

The spelling of 2564134633533 in words is "two trillion, five hundred sixty-four billion, one hundred thirty-four million, six hundred thirty-three thousand, five hundred thirty-three".