4443421433 has 4 divisors (see below), whose sum is σ = 4847368848. Its totient is φ = 4039474020.

The previous prime is 4443421417. The next prime is 4443421459. The reversal of 4443421433 is 3341243444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4443421433 - 2⁴ = 4443421417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4443421433.

It is not an unprimeable number, because it can be changed into a prime (4443421033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201973691 + ... + 201973712.

It is an arithmetic number, because the mean of its divisors is an integer number (1211842212).

Almost surely, 2^4443421433 is an apocalyptic number.

It is an amenable number.

4443421433 is a deficient number, since it is larger than the sum of its proper divisors (403947415).

4443421433 is a wasteful number, since it uses less digits than its factorization.

4443421433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403947414.

The product of its digits is 55296, while the sum is 32.

The square root of 4443421433 is about 66658.9936392682. The cubic root of 4443421433 is about 1644.0152250481.

Adding to 4443421433 its reverse (3341243444), we get a palindrome (7784664877).

The spelling of 4443421433 in words is "four billion, four hundred forty-three million, four hundred twenty-one thousand, four hundred thirty-three".