2441444340221 has 2 divisors, whose sum is σ = 2441444340222. Its totient is φ = 2441444340220.

The previous prime is 2441444340199. The next prime is 2441444340289. The reversal of 2441444340221 is 1220434441442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1979297265625 + 462147074596 = 1406875^2 + 679814^2 .

It is a cyclic number.

It is not a de Polignac number, because 2441444340221 - 2⁶ = 2441444340157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2441444340421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220722170110 + 1220722170111.

It is an arithmetic number, because the mean of its divisors is an integer number (1220722170111).

Almost surely, 2^{2441444340221} is an apocalyptic number.

It is an amenable number.

2441444340221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2441444340221 is an equidigital number, since it uses as much as digits as its factorization.

2441444340221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 2441444340221 its reverse (1220434441442), we get a palindrome (3661878781663).

The spelling of 2441444340221 in words is "two trillion, four hundred forty-one billion, four hundred forty-four million, three hundred forty thousand, two hundred twenty-one".