4444488889 has 9 divisors (see below), whose sum is σ = 4482883503. Its totient is φ = 4406422032.

The previous prime is 4444488883. The next prime is 4444488907. The reversal of 4444488889 is 9888844444.

The square root of 4444488889 is 66667.

It is a perfect power (a square), and thus also a powerful number.

4444488889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4061895289 + 382593600 = 63733^2 + 19560^2 .

It is not a de Polignac number, because 4444488889 - 2¹¹ = 4444486841 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (4444488883) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10866517 + ... + 10866925.

It is an arithmetic number, because the mean of its divisors is an integer number (498098167).

Almost surely, 2^4444488889 is an apocalyptic number.

4444488889 is the 66667-th square number.

4444488889 is the 33334-th centered octagonal number.

It is an amenable number.

4444488889 is a deficient number, since it is larger than the sum of its proper divisors (38394614).

4444488889 is an frugal number, since it uses more digits than its factorization.

4444488889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 572 counting only the distinct ones).

The product of its digits is 37748736, while the sum is 61.

The cubic root of 4444488889 is about 1644.1468633537.

The spelling of 4444488889 in words is "four billion, four hundred forty-four million, four hundred eighty-eight thousand, eight hundred eighty-nine".