4448907965 has 4 divisors (see below), whose sum is σ = 5338689564. Its totient is φ = 3559126368.

The previous prime is 4448907941. The next prime is 4448907977. The reversal of 4448907965 is 5697098444.

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 1722084004 + 2726823961 = 41498^2 + 52219^2 .

It is a cyclic number.

It is not a de Polignac number, because 4448907965 - 2²⁰ = 4447859389 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 4448907965.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 444890792 + ... + 444890801.

It is an arithmetic number, because the mean of its divisors is an integer number (1334672391).

Almost surely, 2^4448907965 is an apocalyptic number.

It is an amenable number.

4448907965 is a deficient number, since it is larger than the sum of its proper divisors (889781599).

4448907965 is an equidigital number, since it uses as much as digits as its factorization.

4448907965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889781598.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The square root of 4448907965 is about 66700.1346700290. The cubic root of 4448907965 is about 1644.6915981502.

The spelling of 4448907965 in words is "four billion, four hundred forty-eight million, nine hundred seven thousand, nine hundred sixty-five".