1443789853472 has 18 divisors (see below), whose sum is σ = 2842474655979. Its totient is φ = 721891528160.

The previous prime is 1443789853459. The next prime is 1443789853501. The reversal of 1443789853472 is 2743589873441.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 721894926736 + 721894926736 = 849644^2 + 849644^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=849644.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1443789853399 and 1443789853408.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6690947 + ... + 6903357.

Almost surely, 2^{1443789853472} is an apocalyptic number.

It is an amenable number.

1443789853472 is a deficient number, since it is larger than the sum of its proper divisors (1398684802507).

1443789853472 is an frugal number, since it uses more digits than its factorization.

1443789853472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424832 (or 212413 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 65.

The spelling of 1443789853472 in words is "one trillion, four hundred forty-three billion, seven hundred eighty-nine million, eight hundred fifty-three thousand, four hundred seventy-two".