2056366443 has 4 divisors (see below), whose sum is σ = 2741821928. Its totient is φ = 1370910960.

The previous prime is 2056366391. The next prime is 2056366453. The reversal of 2056366443 is 3446636502.

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

It is not a de Polignac number, because 2056366443 - 2⁶ = 2056366379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2056366453) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 342727738 + ... + 342727743.

It is an arithmetic number, because the mean of its divisors is an integer number (685455482).

Almost surely, 2^2056366443 is an apocalyptic number.

2056366443 is a deficient number, since it is larger than the sum of its proper divisors (685455485).

2056366443 is an equidigital number, since it uses as much as digits as its factorization.

2056366443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685455484.

The product of its (nonzero) digits is 311040, while the sum is 39.

The square root of 2056366443 is about 45347.1767919459. The cubic root of 2056366443 is about 1271.6477760027.

The spelling of 2056366443 in words is "two billion, fifty-six million, three hundred sixty-six thousand, four hundred forty-three".