28242188882189 has 2 divisors, whose sum is σ = 28242188882190. Its totient is φ = 28242188882188.

The previous prime is 28242188882183. The next prime is 28242188882203. The reversal of 28242188882189 is 98128888124282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17188279515625 + 11053909366564 = 4145875^2 + 3324742^2 .

It is a cyclic number.

It is not a de Polignac number, because 28242188882189 - 2¹² = 28242188878093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28242188882183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14121094441094 + 14121094441095.

It is an arithmetic number, because the mean of its divisors is an integer number (14121094441095).

Almost surely, 2^{28242188882189} is an apocalyptic number.

It is an amenable number.

28242188882189 is a deficient number, since it is larger than the sum of its proper divisors (1).

28242188882189 is an equidigital number, since it uses as much as digits as its factorization.

28242188882189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150994944, while the sum is 71.

The spelling of 28242188882189 in words is "twenty-eight trillion, two hundred forty-two billion, one hundred eighty-eight million, eight hundred eighty-two thousand, one hundred eighty-nine".