2163171383 has 4 divisors (see below), whose sum is σ = 2163658608. Its totient is φ = 2162684160.

The previous prime is 2163171371. The next prime is 2163171397. The reversal of 2163171383 is 3831713612.

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 2163171383 - 2¹² = 2163167287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163171883) 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, 236891 + ... + 245852.

It is an arithmetic number, because the mean of its divisors is an integer number (540914652).

Almost surely, 2^2163171383 is an apocalyptic number.

2163171383 is a deficient number, since it is larger than the sum of its proper divisors (487225).

2163171383 is an equidigital number, since it uses as much as digits as its factorization.

2163171383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487224.

The product of its digits is 18144, while the sum is 35.

The square root of 2163171383 is about 46509.9062888757. The cubic root of 2163171383 is about 1293.2931470151.

Adding to 2163171383 its reverse (3831713612), we get a palindrome (5994884995).

The spelling of 2163171383 in words is "two billion, one hundred sixty-three million, one hundred seventy-one thousand, three hundred eighty-three".