1444359223489 has 24 divisors (see below), whose sum is σ = 1798825525440. Its totient is φ = 1135510653888.

The previous prime is 1444359223487. The next prime is 1444359223499. The reversal of 1444359223489 is 9843229534441.

It is not a de Polignac number, because 1444359223489 - 2¹ = 1444359223487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444359223487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3702579 + ... + 4074040.

It is an arithmetic number, because the mean of its divisors is an integer number (74951063560).

Almost surely, 2^{1444359223489} is an apocalyptic number.

It is an amenable number.

1444359223489 is a deficient number, since it is larger than the sum of its proper divisors (354466301951).

1444359223489 is a wasteful number, since it uses less digits than its factorization.

1444359223489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7776809 (or 7776796 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 58.

The spelling of 1444359223489 in words is "one trillion, four hundred forty-four billion, three hundred fifty-nine million, two hundred twenty-three thousand, four hundred eighty-nine".