2168527273 has 6 divisors (see below), whose sum is σ = 2383587962. Its totient is φ = 1971388320.

The previous prime is 2168527261. The next prime is 2168527279. The reversal of 2168527273 is 3727258612.

It can be written as a sum of positive squares in only one way, i.e., 1320086889 + 848440384 = 36333^2 + 29128^2 .

It is not a de Polignac number, because 2168527273 - 2⁹ = 2168526761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2168527279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8960736 + ... + 8960977.

Almost surely, 2^2168527273 is an apocalyptic number.

It is an amenable number.

2168527273 is a deficient number, since it is larger than the sum of its proper divisors (215060689).

2168527273 is a wasteful number, since it uses less digits than its factorization.

2168527273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17921735 (or 17921724 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 2168527273 is about 46567.4486417283. The cubic root of 2168527273 is about 1294.3596408680.

The spelling of 2168527273 in words is "two billion, one hundred sixty-eight million, five hundred twenty-seven thousand, two hundred seventy-three".