2444990489 has 4 divisors (see below), whose sum is σ = 2459123556. Its totient is φ = 2430857424.

The previous prime is 2444990479. The next prime is 2444990519. The reversal of 2444990489 is 9840994442.

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 1574740489 + 870250000 = 39683^2 + 29500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2444990489 - 2²⁴ = 2428213273 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 2444990489.

It is not an unprimeable number, because it can be changed into a prime (2444990479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7066274 + ... + 7066619.

It is an arithmetic number, because the mean of its divisors is an integer number (614780889).

Almost surely, 2^2444990489 is an apocalyptic number.

It is an amenable number.

2444990489 is a deficient number, since it is larger than the sum of its proper divisors (14133067).

2444990489 is a wasteful number, since it uses less digits than its factorization.

2444990489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14133066.

The product of its (nonzero) digits is 2985984, while the sum is 53.

The square root of 2444990489 is about 49446.8450864158. The cubic root of 2444990489 is about 1347.1803038204.

The spelling of 2444990489 in words is "two billion, four hundred forty-four million, nine hundred ninety thousand, four hundred eighty-nine".