4444333210421 has 4 divisors (see below), whose sum is σ = 4786204995852. Its totient is φ = 4102461424992.

The previous prime is 4444333210417. The next prime is 4444333210451. The reversal of 4444333210421 is 1240123334444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2190089211025 + 2254243999396 = 1479895^2 + 1501414^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444333210421 - 2² = 4444333210417 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 (4444333210451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170935892696 + ... + 170935892721.

It is an arithmetic number, because the mean of its divisors is an integer number (1196551248963).

Almost surely, 2^{4444333210421} is an apocalyptic number.

It is an amenable number.

4444333210421 is a deficient number, since it is larger than the sum of its proper divisors (341871785431).

4444333210421 is a wasteful number, since it uses less digits than its factorization.

4444333210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341871785430.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 4444333210421 its reverse (1240123334444), we get a palindrome (5684456544865).

The spelling of 4444333210421 in words is "four trillion, four hundred forty-four billion, three hundred thirty-three million, two hundred ten thousand, four hundred twenty-one".