4439984489 has 2 divisors, whose sum is σ = 4439984490. Its totient is φ = 4439984488.

The previous prime is 4439984473. The next prime is 4439984519. The reversal of 4439984489 is 9844899344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2725362025 + 1714622464 = 52205^2 + 41408^2 .

It is a cyclic number.

It is not a de Polignac number, because 4439984489 - 2⁴ = 4439984473 is a prime.

It is a super-3 number, since 3×4439984489³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (4439984449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2219992244 + 2219992245.

It is an arithmetic number, because the mean of its divisors is an integer number (2219992245).

Almost surely, 2^4439984489 is an apocalyptic number.

It is an amenable number.

4439984489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4439984489 is an equidigital number, since it uses as much as digits as its factorization.

4439984489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35831808, while the sum is 62.

The square root of 4439984489 is about 66633.2086050192. The cubic root of 4439984489 is about 1643.5912390262.

The spelling of 4439984489 in words is "four billion, four hundred thirty-nine million, nine hundred eighty-four thousand, four hundred eighty-nine".