4424350444121 has 2 divisors, whose sum is σ = 4424350444122. Its totient is φ = 4424350444120.

The previous prime is 4424350444061. The next prime is 4424350444207. The reversal of 4424350444121 is 1214440534244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3415251841600 + 1009098602521 = 1848040^2 + 1004539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4424350444121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4424350444321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212175222060 + 2212175222061.

It is an arithmetic number, because the mean of its divisors is an integer number (2212175222061).

Almost surely, 2^{4424350444121} is an apocalyptic number.

It is an amenable number.

4424350444121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4424350444121 is an equidigital number, since it uses as much as digits as its factorization.

4424350444121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245760, while the sum is 38.

Adding to 4424350444121 its reverse (1214440534244), we get a palindrome (5638790978365).

The spelling of 4424350444121 in words is "four trillion, four hundred twenty-four billion, three hundred fifty million, four hundred forty-four thousand, one hundred twenty-one".