4005860065 has 4 divisors (see below), whose sum is σ = 4807032084. Its totient is φ = 3204688048.

The previous prime is 4005860039. The next prime is 4005860071. The reversal of 4005860065 is 5600685004.

4005860065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1356596224 + 2649263841 = 36832^2 + 51471^2 .

It is a cyclic number.

It is not a de Polignac number, because 4005860065 - 2⁷ = 4005859937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4005860065.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400586002 + ... + 400586011.

It is an arithmetic number, because the mean of its divisors is an integer number (1201758021).

Almost surely, 2^4005860065 is an apocalyptic number.

It is an amenable number.

4005860065 is a deficient number, since it is larger than the sum of its proper divisors (801172019).

4005860065 is an equidigital number, since it uses as much as digits as its factorization.

4005860065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801172018.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 4005860065 is about 63291.8641296020. The cubic root of 4005860065 is about 1588.1758631664.

The spelling of 4005860065 in words is "four billion, five million, eight hundred sixty thousand, sixty-five".