4428506189 has 2 divisors, whose sum is σ = 4428506190. Its totient is φ = 4428506188.

The previous prime is 4428506177. The next prime is 4428506207. The reversal of 4428506189 is 9816058244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4402322500 + 26183689 = 66350^2 + 5117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4428506189 is a prime.

It is a super-2 number, since 2×4428506189² = 39223334132022607442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4428506119) 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 as a sum of consecutive naturals, namely, 2214253094 + 2214253095.

It is an arithmetic number, because the mean of its divisors is an integer number (2214253095).

Almost surely, 2^4428506189 is an apocalyptic number.

It is an amenable number.

4428506189 is a deficient number, since it is larger than the sum of its proper divisors (1).

4428506189 is an equidigital number, since it uses as much as digits as its factorization.

4428506189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 4428506189 is about 66547.0223901866. The cubic root of 4428506189 is about 1642.1736729684.

The spelling of 4428506189 in words is "four billion, four hundred twenty-eight million, five hundred six thousand, one hundred eighty-nine".