27038216189 has 2 divisors, whose sum is σ = 27038216190. Its totient is φ = 27038216188.

The previous prime is 27038216141. The next prime is 27038216243. The reversal of 27038216189 is 98161283072.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18568695289 + 8469520900 = 136267^2 + 92030^2 .

It is a cyclic number.

It is not a de Polignac number, because 27038216189 - 2⁸ = 27038215933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27038216489) 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, 13519108094 + 13519108095.

It is an arithmetic number, because the mean of its divisors is an integer number (13519108095).

Almost surely, 2^27038216189 is an apocalyptic number.

It is an amenable number.

27038216189 is a deficient number, since it is larger than the sum of its proper divisors (1).

27038216189 is an equidigital number, since it uses as much as digits as its factorization.

27038216189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 27038216189 in words is "twenty-seven billion, thirty-eight million, two hundred sixteen thousand, one hundred eighty-nine".