4444333304021 has 16 divisors (see below), whose sum is σ = 5123502350400. Its totient is φ = 3820668870528.

The previous prime is 4444333304017. The next prime is 4444333304023. The reversal of 4444333304021 is 1204033334444.

It is a cyclic number.

It is not a de Polignac number, because 4444333304021 - 2² = 4444333304017 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 (4444333304023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152470616 + ... + 152499761.

It is an arithmetic number, because the mean of its divisors is an integer number (320218896900).

Almost surely, 2^{4444333304021} is an apocalyptic number.

It is an amenable number.

4444333304021 is a deficient number, since it is larger than the sum of its proper divisors (679169046379).

4444333304021 is a wasteful number, since it uses less digits than its factorization.

4444333304021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304970468.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 4444333304021 its reverse (1204033334444), we get a palindrome (5648366638465).

The spelling of 4444333304021 in words is "four trillion, four hundred forty-four billion, three hundred thirty-three million, three hundred four thousand, twenty-one".