2256733234045 has 4 divisors (see below), whose sum is σ = 2708079880860. Its totient is φ = 1805386587232.

The previous prime is 2256733234001. The next prime is 2256733234079. The reversal of 2256733234045 is 5404323376522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1592550613369 + 664182620676 = 1261963^2 + 814974^2 .

It is a cyclic number.

It is not a de Polignac number, because 2256733234045 - 2²³ = 2256724845437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2256733233986 and 2256733234004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225673323400 + ... + 225673323409.

It is an arithmetic number, because the mean of its divisors is an integer number (677019970215).

Almost surely, 2^{2256733234045} is an apocalyptic number.

It is an amenable number.

2256733234045 is a deficient number, since it is larger than the sum of its proper divisors (451346646815).

2256733234045 is an equidigital number, since it uses as much as digits as its factorization.

2256733234045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451346646814.

The product of its (nonzero) digits is 3628800, while the sum is 46.

The spelling of 2256733234045 in words is "two trillion, two hundred fifty-six billion, seven hundred thirty-three million, two hundred thirty-four thousand, forty-five".