2659540171 has 2 divisors, whose sum is σ = 2659540172. Its totient is φ = 2659540170.

The previous prime is 2659540157. The next prime is 2659540183. The reversal of 2659540171 is 1710459562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2659540171 - 2²³ = 2651151563 is a prime.

It is not a weakly prime, because it can be changed into another prime (2659540151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1329770085 + 1329770086.

It is an arithmetic number, because the mean of its divisors is an integer number (1329770086).

Almost surely, 2^2659540171 is an apocalyptic number.

2659540171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2659540171 is an equidigital number, since it uses as much as digits as its factorization.

2659540171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 2659540171 is about 51570.7297892904. The cubic root of 2659540171 is about 1385.4861376072.

It can be divided in two parts, 26595 and 40171, that added together give a palindrome (66766).

The spelling of 2659540171 in words is "two billion, six hundred fifty-nine million, five hundred forty thousand, one hundred seventy-one".