2441444340421 has 2 divisors, whose sum is σ = 2441444340422. Its totient is φ = 2441444340420.

The previous prime is 2441444340397. The next prime is 2441444340443. The reversal of 2441444340421 is 1240434441442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2415615350625 + 25828989796 = 1554225^2 + 160714^2 .

It is a cyclic number.

It is not a de Polignac number, because 2441444340421 - 2²³ = 2441435951813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2441444340221) 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 as a sum of consecutive naturals, namely, 1220722170210 + 1220722170211.

It is an arithmetic number, because the mean of its divisors is an integer number (1220722170211).

Almost surely, 2^{2441444340421} is an apocalyptic number.

It is an amenable number.

2441444340421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2441444340421 is an equidigital number, since it uses as much as digits as its factorization.

2441444340421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 2441444340421 its reverse (1240434441442), we get a palindrome (3681878781863).

The spelling of 2441444340421 in words is "two trillion, four hundred forty-one billion, four hundred forty-four million, three hundred forty thousand, four hundred twenty-one".