4043319985 has 16 divisors (see below), whose sum is σ = 5177324160. Its totient is φ = 3022427520.

The previous prime is 4043319977. The next prime is 4043319991. The reversal of 4043319985 is 5899133404.

It is a happy number.

4043319985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4043319985 - 2³ = 4043319977 is a prime.

It is a super-2 number, since 2×4043319985² = 32696873002200800450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284581 + ... + 298450.

It is an arithmetic number, because the mean of its divisors is an integer number (323582760).

Almost surely, 2^4043319985 is an apocalyptic number.

It is an amenable number.

4043319985 is a deficient number, since it is larger than the sum of its proper divisors (1134004175).

4043319985 is a wasteful number, since it uses less digits than its factorization.

4043319985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583128.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 4043319985 is about 63587.1054931737. The cubic root of 4043319985 is about 1593.1110042027. Note that the first 3 decimals are identical.

The spelling of 4043319985 in words is "four billion, forty-three million, three hundred nineteen thousand, nine hundred eighty-five".