4406845865 has 4 divisors (see below), whose sum is σ = 5288215044. Its totient is φ = 3525476688.

The previous prime is 4406845847. The next prime is 4406845871. The reversal of 4406845865 is 5685486044.

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 1420988416 + 2985857449 = 37696^2 + 54643^2 .

It is a cyclic number.

It is not a de Polignac number, because 4406845865 - 2²⁶ = 4339737001 is a prime.

It is a Duffinian number.

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, 440684582 + ... + 440684591.

It is an arithmetic number, because the mean of its divisors is an integer number (1322053761).

Almost surely, 2^4406845865 is an apocalyptic number.

It is an amenable number.

4406845865 is a deficient number, since it is larger than the sum of its proper divisors (881369179).

4406845865 is an equidigital number, since it uses as much as digits as its factorization.

4406845865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881369178.

The product of its (nonzero) digits is 3686400, while the sum is 50.

The square root of 4406845865 is about 66384.0783998693. The cubic root of 4406845865 is about 1639.4919436812.

The spelling of 4406845865 in words is "four billion, four hundred six million, eight hundred forty-five thousand, eight hundred sixty-five".