4443483521 has 4 divisors (see below), whose sum is σ = 4443686832. Its totient is φ = 4443280212.

The previous prime is 4443483503. The next prime is 4443483523. The reversal of 4443483521 is 1253843444.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4443483521 - 2¹⁰ = 4443482497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4443483523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64295 + ... + 114108.

It is an arithmetic number, because the mean of its divisors is an integer number (1110921708).

Almost surely, 2^4443483521 is an apocalyptic number.

It is an amenable number.

4443483521 is a deficient number, since it is larger than the sum of its proper divisors (203311).

4443483521 is a wasteful number, since it uses less digits than its factorization.

4443483521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203310.

The product of its digits is 184320, while the sum is 38.

The square root of 4443483521 is about 66659.4593512429. The cubic root of 4443483521 is about 1644.0228822963.

The spelling of 4443483521 in words is "four billion, four hundred forty-three million, four hundred eighty-three thousand, five hundred twenty-one".