2443404241121 has 2 divisors, whose sum is σ = 2443404241122. Its totient is φ = 2443404241120.

The previous prime is 2443404241079. The next prime is 2443404241141. The reversal of 2443404241121 is 1211424043442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1307397862225 + 1136006378896 = 1143415^2 + 1065836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2443404241121 is a prime.

It is not a weakly prime, because it can be changed into another prime (2443404241141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221702120560 + 1221702120561.

It is an arithmetic number, because the mean of its divisors is an integer number (1221702120561).

Almost surely, 2^{2443404241121} is an apocalyptic number.

It is an amenable number.

2443404241121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2443404241121 is an equidigital number, since it uses as much as digits as its factorization.

2443404241121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 2443404241121 its reverse (1211424043442), we get a palindrome (3654828284563).

The spelling of 2443404241121 in words is "two trillion, four hundred forty-three billion, four hundred four million, two hundred forty-one thousand, one hundred twenty-one".