2056170839 has 8 divisors (see below), whose sum is σ = 2090885760. Its totient is φ = 2021574456.

The previous prime is 2056170811. The next prime is 2056170871. The reversal of 2056170839 is 9380716502.

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 2056170839 - 2²⁴ = 2039393623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2056170796 and 2056170805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056170889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5702 + ... + 64380.

It is an arithmetic number, because the mean of its divisors is an integer number (261360720).

Almost surely, 2^2056170839 is an apocalyptic number.

2056170839 is a deficient number, since it is larger than the sum of its proper divisors (34714921).

2056170839 is an equidigital number, since it uses as much as digits as its factorization.

2056170839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59269.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 2056170839 is about 45345.0200022009. The cubic root of 2056170839 is about 1271.6074545124.

The spelling of 2056170839 in words is "two billion, fifty-six million, one hundred seventy thousand, eight hundred thirty-nine".