2256644132533 has 8 divisors (see below), whose sum is σ = 2589056972352. Its totient is φ = 1926740069376.

The previous prime is 2256644132507. The next prime is 2256644132537. The reversal of 2256644132533 is 3352314466522.

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 2256644132533 - 2¹³ = 2256644124341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256644132537) 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, 627192235 + ... + 627195832.

It is an arithmetic number, because the mean of its divisors is an integer number (323632121544).

Almost surely, 2^{2256644132533} is an apocalyptic number.

It is an amenable number.

2256644132533 is a deficient number, since it is larger than the sum of its proper divisors (332412839819).

2256644132533 is a wasteful number, since it uses less digits than its factorization.

2256644132533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254388331.

The product of its digits is 3110400, while the sum is 46.

The spelling of 2256644132533 in words is "two trillion, two hundred fifty-six billion, six hundred forty-four million, one hundred thirty-two thousand, five hundred thirty-three".