2059044865 has 4 divisors (see below), whose sum is σ = 2470853844. Its totient is φ = 1647235888.

The previous prime is 2059044833. The next prime is 2059044929. The reversal of 2059044865 is 5684409502.

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 491597584 + 1567447281 = 22172^2 + 39591^2 .

It is a cyclic number.

It is not a de Polignac number, because 2059044865 - 2⁵ = 2059044833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205904482 + ... + 205904491.

It is an arithmetic number, because the mean of its divisors is an integer number (617713461).

Almost surely, 2^2059044865 is an apocalyptic number.

It is an amenable number.

2059044865 is a deficient number, since it is larger than the sum of its proper divisors (411808979).

2059044865 is an equidigital number, since it uses as much as digits as its factorization.

2059044865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411808978.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 2059044865 is about 45376.6995824950. The cubic root of 2059044865 is about 1272.1996445153.

The spelling of 2059044865 in words is "two billion, fifty-nine million, forty-four thousand, eight hundred sixty-five".