2188542917027 has 2 divisors, whose sum is σ = 2188542917028. Its totient is φ = 2188542917026.

The previous prime is 2188542917009. The next prime is 2188542917039. The reversal of 2188542917027 is 7207192458812.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2188542917027 - 2¹⁰ = 2188542916003 is a prime.

It is not a weakly prime, because it can be changed into another prime (2188542910027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094271458513 + 1094271458514.

It is an arithmetic number, because the mean of its divisors is an integer number (1094271458514).

Almost surely, 2^{2188542917027} is an apocalyptic number.

2188542917027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2188542917027 is an equidigital number, since it uses as much as digits as its factorization.

2188542917027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4515840, while the sum is 56.

The spelling of 2188542917027 in words is "two trillion, one hundred eighty-eight billion, five hundred forty-two million, nine hundred seventeen thousand, twenty-seven".