4085065873 has 32 divisors (see below), whose sum is σ = 5117172480. Its totient is φ = 3182976000.

The previous prime is 4085065819. The next prime is 4085065883. The reversal of 4085065873 is 3785605804.

4085065873 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4085065873 - 2²⁵ = 4051511441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4085065883) 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 31 ways as a sum of consecutive naturals, for example, 326493 + ... + 338773.

It is an arithmetic number, because the mean of its divisors is an integer number (159911640).

Almost surely, 2^4085065873 is an apocalyptic number.

It is an amenable number.

4085065873 is a deficient number, since it is larger than the sum of its proper divisors (1032106607).

4085065873 is a wasteful number, since it uses less digits than its factorization.

4085065873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12409.

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 4085065873 is about 63914.5200482645. The cubic root of 4085065873 is about 1598.5750168130.

The spelling of 4085065873 in words is "four billion, eighty-five million, sixty-five thousand, eight hundred seventy-three".