4449383165 has 4 divisors (see below), whose sum is σ = 5339259804. Its totient is φ = 3559506528.

The previous prime is 4449383117. The next prime is 4449383173. The reversal of 4449383165 is 5613839444.

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 2758035289 + 1691347876 = 52517^2 + 41126^2 .

It is a cyclic number.

It is not a de Polignac number, because 4449383165 - 2¹⁰ = 4449382141 is a prime.

It is a Duffinian number.

It is a congruent 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, 444938312 + ... + 444938321.

It is an arithmetic number, because the mean of its divisors is an integer number (1334814951).

Almost surely, 2^4449383165 is an apocalyptic number.

It is an amenable number.

4449383165 is a deficient number, since it is larger than the sum of its proper divisors (889876639).

4449383165 is an equidigital number, since it uses as much as digits as its factorization.

4449383165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889876638.

The product of its digits is 1244160, while the sum is 47.

The square root of 4449383165 is about 66703.6967866100. The cubic root of 4449383165 is about 1644.7501540646.

The spelling of 4449383165 in words is "four billion, four hundred forty-nine million, three hundred eighty-three thousand, one hundred sixty-five".