2193071171 has 4 divisors (see below), whose sum is σ = 2213191200. Its totient is φ = 2172951144.

The previous prime is 2193071129. The next prime is 2193071191. The reversal of 2193071171 is 1711703912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2193071171 - 2⁶ = 2193071107 is a prime.

It is a super-2 number, since 2×2193071171² = 9619122322142622482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2193071191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10059851 + ... + 10060068.

It is an arithmetic number, because the mean of its divisors is an integer number (553297800).

Almost surely, 2^2193071171 is an apocalyptic number.

2193071171 is a deficient number, since it is larger than the sum of its proper divisors (20120029).

2193071171 is a wasteful number, since it uses less digits than its factorization.

2193071171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20120028.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 2193071171 is about 46830.2377850038. The cubic root of 2193071171 is about 1299.2246206578.

The spelling of 2193071171 in words is "two billion, one hundred ninety-three million, seventy-one thousand, one hundred seventy-one".