4442045236121 has 2 divisors, whose sum is σ = 4442045236122. Its totient is φ = 4442045236120.

The previous prime is 4442045236063. The next prime is 4442045236283. The reversal of 4442045236121 is 1216325402444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3592772402521 + 849272833600 = 1895461^2 + 921560^2 .

It is a cyclic number.

It is not a de Polignac number, because 4442045236121 - 2¹⁰ = 4442045235097 is a prime.

It is not a weakly prime, because it can be changed into another prime (4442045236021) 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, 2221022618060 + 2221022618061.

It is an arithmetic number, because the mean of its divisors is an integer number (2221022618061).

Almost surely, 2^{4442045236121} is an apocalyptic number.

It is an amenable number.

4442045236121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442045236121 is an equidigital number, since it uses as much as digits as its factorization.

4442045236121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 38.

The spelling of 4442045236121 in words is "four trillion, four hundred forty-two billion, forty-five million, two hundred thirty-six thousand, one hundred twenty-one".