4428688189 has 2 divisors, whose sum is σ = 4428688190. Its totient is φ = 4428688188.

The previous prime is 4428688183. The next prime is 4428688193. The reversal of 4428688189 is 9818868244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3893136025 + 535552164 = 62395^2 + 23142^2 .

It is a cyclic number.

It is not a de Polignac number, because 4428688189 - 2²⁹ = 3891817277 is a prime.

It is a super-2 number, since 2×4428688189² = 39226558150776199442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4428688183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214344094 + 2214344095.

It is an arithmetic number, because the mean of its divisors is an integer number (2214344095).

Almost surely, 2^4428688189 is an apocalyptic number.

It is an amenable number.

4428688189 is a deficient number, since it is larger than the sum of its proper divisors (1).

4428688189 is an equidigital number, since it uses as much as digits as its factorization.

4428688189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7077888, while the sum is 58.

The square root of 4428688189 is about 66548.3898302581. The cubic root of 4428688189 is about 1642.1961690051.

The spelling of 4428688189 in words is "four billion, four hundred twenty-eight million, six hundred eighty-eight thousand, one hundred eighty-nine".