2721085171 has 32 divisors (see below), whose sum is σ = 3461713920. Its totient is φ = 2086041600.

The previous prime is 2721085151. The next prime is 2721085177. The reversal of 2721085171 is 1715801272.

2721085171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2721085171 - 2²³ = 2712696563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2721085177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160995 + ... + 177091.

It is an arithmetic number, because the mean of its divisors is an integer number (108178560).

Almost surely, 2^2721085171 is an apocalyptic number.

2721085171 is a deficient number, since it is larger than the sum of its proper divisors (740628749).

2721085171 is a wasteful number, since it uses less digits than its factorization.

2721085171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16195.

The product of its (nonzero) digits is 7840, while the sum is 34.

The square root of 2721085171 is about 52164.0218062220. The cubic root of 2721085171 is about 1396.0920216062.

The spelling of 2721085171 in words is "two billion, seven hundred twenty-one million, eighty-five thousand, one hundred seventy-one".