2441215961621 has 2 divisors, whose sum is σ = 2441215961622. Its totient is φ = 2441215961620.

The previous prime is 2441215961563. The next prime is 2441215961629. The reversal of 2441215961621 is 1261695121442.

It is a happy number.

2441215961621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2391473580721 + 49742380900 = 1546439^2 + 223030^2 .

It is a cyclic number.

It is not a de Polignac number, because 2441215961621 - 2¹⁴ = 2441215945237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2441215961629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220607980810 + 1220607980811.

It is an arithmetic number, because the mean of its divisors is an integer number (1220607980811).

Almost surely, 2^{2441215961621} is an apocalyptic number.

It is an amenable number.

2441215961621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2441215961621 is an equidigital number, since it uses as much as digits as its factorization.

2441215961621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 44.

The spelling of 2441215961621 in words is "two trillion, four hundred forty-one billion, two hundred fifteen million, nine hundred sixty-one thousand, six hundred twenty-one".