1444000489 has 2 divisors, whose sum is σ = 1444000490. Its totient is φ = 1444000488.

The previous prime is 1444000487. The next prime is 1444000507. The reversal of 1444000489 is 9840004441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 905528464 + 538472025 = 30092^2 + 23205^2 .

It is an emirp because it is prime and its reverse (9840004441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1444000489 - 2¹ = 1444000487 is a prime.

Together with 1444000487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1444000483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722000244 + 722000245.

It is an arithmetic number, because the mean of its divisors is an integer number (722000245).

Almost surely, 2^1444000489 is an apocalyptic number.

It is an amenable number.

1444000489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444000489 is an equidigital number, since it uses as much as digits as its factorization.

1444000489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 1444000489 is about 38000.0064342100. The cubic root of 1444000489 is about 1130.2879911800.

The spelling of 1444000489 in words is "one billion, four hundred forty-four million, four hundred eighty-nine", and thus it is an aban number.