4443421033 has 2 divisors, whose sum is σ = 4443421034. Its totient is φ = 4443421032.

The previous prime is 4443421027. The next prime is 4443421097. The reversal of 4443421033 is 3301243444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4410553744 + 32867289 = 66412^2 + 5733^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4443421033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4443420992 and 4443421010.

It is not a weakly prime, because it can be changed into another prime (4443421933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221710516 + 2221710517.

It is an arithmetic number, because the mean of its divisors is an integer number (2221710517).

Almost surely, 2^4443421033 is an apocalyptic number.

It is an amenable number.

4443421033 is a deficient number, since it is larger than the sum of its proper divisors (1).

4443421033 is an equidigital number, since it uses as much as digits as its factorization.

4443421033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 4443421033 is about 66658.9906389228. The cubic root of 4443421033 is about 1644.0151757163.

Adding to 4443421033 its reverse (3301243444), we get a palindrome (7744664477).

The spelling of 4443421033 in words is "four billion, four hundred forty-three million, four hundred twenty-one thousand, thirty-three".