27603850189 has 2 divisors, whose sum is σ = 27603850190. Its totient is φ = 27603850188.

The previous prime is 27603850097. The next prime is 27603850193. The reversal of 27603850189 is 98105830672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17330406025 + 10273444164 = 131645^2 + 101358^2 .

It is a cyclic number.

It is not a de Polignac number, because 27603850189 - 2⁷ = 27603850061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27603860189) 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, 13801925094 + 13801925095.

It is an arithmetic number, because the mean of its divisors is an integer number (13801925095).

Almost surely, 2^27603850189 is an apocalyptic number.

It is an amenable number.

27603850189 is a deficient number, since it is larger than the sum of its proper divisors (1).

27603850189 is an equidigital number, since it uses as much as digits as its factorization.

27603850189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 27603850189 in words is "twenty-seven billion, six hundred three million, eight hundred fifty thousand, one hundred eighty-nine".