4446242321 has 2 divisors, whose sum is σ = 4446242322. Its totient is φ = 4446242320.

The previous prime is 4446242293. The next prime is 4446242323. The reversal of 4446242321 is 1232426444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3580705921 + 865536400 = 59839^2 + 29420^2 .

It is a cyclic number.

It is not a de Polignac number, because 4446242321 - 2⁶ = 4446242257 is a prime.

Together with 4446242323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4446242323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2223121160 + 2223121161.

It is an arithmetic number, because the mean of its divisors is an integer number (2223121161).

Almost surely, 2^4446242321 is an apocalyptic number.

It is an amenable number.

4446242321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4446242321 is an equidigital number, since it uses as much as digits as its factorization.

4446242321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 32.

The square root of 4446242321 is about 66680.1493774572. The cubic root of 4446242321 is about 1644.3630502433.

Adding to 4446242321 its reverse (1232426444), we get a palindrome (5678668765).

The spelling of 4446242321 in words is "four billion, four hundred forty-six million, two hundred forty-two thousand, three hundred twenty-one".