444003312121 has 2 divisors, whose sum is σ = 444003312122. Its totient is φ = 444003312120.

The previous prime is 444003312091. The next prime is 444003312127. The reversal of 444003312121 is 121213300444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 438349926400 + 5653385721 = 662080^2 + 75189^2 .

It is a cyclic number.

It is not a de Polignac number, because 444003312121 - 2¹⁵ = 444003279353 is a prime.

It is not a weakly prime, because it can be changed into another prime (444003312127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222001656060 + 222001656061.

It is an arithmetic number, because the mean of its divisors is an integer number (222001656061).

Almost surely, 2^444003312121 is an apocalyptic number.

It is an amenable number.

444003312121 is a deficient number, since it is larger than the sum of its proper divisors (1).

444003312121 is an equidigital number, since it uses as much as digits as its factorization.

444003312121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 444003312121 its reverse (121213300444), we get a palindrome (565216612565).

The spelling of 444003312121 in words is "four hundred forty-four billion, three million, three hundred twelve thousand, one hundred twenty-one".