4243441242241 has 2 divisors, whose sum is σ = 4243441242242. Its totient is φ = 4243441242240.

The previous prime is 4243441242211. The next prime is 4243441242277. The reversal of 4243441242241 is 1422421443424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2279858406400 + 1963582835841 = 1509920^2 + 1401279^2 .

It is a cyclic number.

It is not a de Polignac number, because 4243441242241 - 2¹⁵ = 4243441209473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4243441242241.

It is not a weakly prime, because it can be changed into another prime (4243441242211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121720621120 + 2121720621121.

It is an arithmetic number, because the mean of its divisors is an integer number (2121720621121).

Almost surely, 2^{4243441242241} is an apocalyptic number.

It is an amenable number.

4243441242241 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243441242241 is an equidigital number, since it uses as much as digits as its factorization.

4243441242241 is an odious number, because the sum of its binary digits is odd.

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

Adding to 4243441242241 its reverse (1422421443424), we get a palindrome (5665862685665).

The spelling of 4243441242241 in words is "four trillion, two hundred forty-three billion, four hundred forty-one million, two hundred forty-two thousand, two hundred forty-one".