2271089871 has 6 divisors (see below), whose sum is σ = 3280463160. Its totient is φ = 1514059908.

The previous prime is 2271089869. The next prime is 2271089881. The reversal of 2271089871 is 1789801722.

It is not a de Polignac number, because 2271089871 - 2¹ = 2271089869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271089831) 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 in 5 ways as a sum of consecutive naturals, for example, 126171651 + ... + 126171668.

It is an arithmetic number, because the mean of its divisors is an integer number (546743860).

Almost surely, 2^2271089871 is an apocalyptic number.

2271089871 is a deficient number, since it is larger than the sum of its proper divisors (1009373289).

2271089871 is a wasteful number, since it uses less digits than its factorization.

2271089871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252343325 (or 252343322 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 2271089871 is about 47655.9531538296. The cubic root of 2271089871 is about 1314.4521268224.

The spelling of 2271089871 in words is "two billion, two hundred seventy-one million, eighty-nine thousand, eight hundred seventy-one".