27482921171 has 2 divisors, whose sum is σ = 27482921172. Its totient is φ = 27482921170.

The previous prime is 27482921129. The next prime is 27482921201. The reversal of 27482921171 is 17112928472.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27482921171 is a prime.

It is a super-2 number, since 2×27482921171² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27482921101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13741460585 + 13741460586.

It is an arithmetic number, because the mean of its divisors is an integer number (13741460586).

Almost surely, 2^27482921171 is an apocalyptic number.

27482921171 is a deficient number, since it is larger than the sum of its proper divisors (1).

27482921171 is an equidigital number, since it uses as much as digits as its factorization.

27482921171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 44.

The spelling of 27482921171 in words is "twenty-seven billion, four hundred eighty-two million, nine hundred twenty-one thousand, one hundred seventy-one".