4450332121 has 2 divisors, whose sum is σ = 4450332122. Its totient is φ = 4450332120.

The previous prime is 4450332119. The next prime is 4450332151. The reversal of 4450332121 is 1212330544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3497066496 + 953265625 = 59136^2 + 30875^2 .

It is a cyclic number.

It is not a de Polignac number, because 4450332121 - 2¹ = 4450332119 is a prime.

Together with 4450332119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4450332151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2225166060 + 2225166061.

It is an arithmetic number, because the mean of its divisors is an integer number (2225166061).

Almost surely, 2^4450332121 is an apocalyptic number.

It is an amenable number.

4450332121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4450332121 is an equidigital number, since it uses as much as digits as its factorization.

4450332121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4450332121 is about 66710.8096263267. The cubic root of 4450332121 is about 1644.8670754836.

Adding to 4450332121 its reverse (1212330544), we get a palindrome (5662662665).

The spelling of 4450332121 in words is "four billion, four hundred fifty million, three hundred thirty-two thousand, one hundred twenty-one".