4443304421 has 8 divisors (see below), whose sum is σ = 4457116800. Its totient is φ = 4429509120.

The previous prime is 4443304403. The next prime is 4443304447. The reversal of 4443304421 is 1244033444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4443304421 - 2¹⁴ = 4443288037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4443303421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677285 + ... + 683813.

It is an arithmetic number, because the mean of its divisors is an integer number (557139600).

Almost surely, 2^4443304421 is an apocalyptic number.

It is an amenable number.

4443304421 is a deficient number, since it is larger than the sum of its proper divisors (13812379).

4443304421 is a wasteful number, since it uses less digits than its factorization.

4443304421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8539.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 4443304421 is about 66658.1159424717. The cubic root of 4443304421 is about 1644.0007938865. Note that the first 3 decimals are identical.

Adding to 4443304421 its reverse (1244033444), we get a palindrome (5687337865).

The spelling of 4443304421 in words is "four billion, four hundred forty-three million, three hundred four thousand, four hundred twenty-one".