4444103332421 has 2 divisors, whose sum is σ = 4444103332422. Its totient is φ = 4444103332420.

The previous prime is 4444103332399. The next prime is 4444103332453. The reversal of 4444103332421 is 1242333014444.

4444103332421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4255808087521 + 188295244900 = 2062961^2 + 433930^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444103332421 - 2¹⁰ = 4444103331397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4444103302421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222051666210 + 2222051666211.

It is an arithmetic number, because the mean of its divisors is an integer number (2222051666211).

Almost surely, 2^{4444103332421} is an apocalyptic number.

It is an amenable number.

4444103332421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444103332421 is an equidigital number, since it uses as much as digits as its factorization.

4444103332421 is an evil number, because the sum of its binary digits is even.

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

Adding to 4444103332421 its reverse (1242333014444), we get a palindrome (5686436346865).

The spelling of 4444103332421 in words is "four trillion, four hundred forty-four billion, one hundred three million, three hundred thirty-two thousand, four hundred twenty-one".