2180933273 has 2 divisors, whose sum is σ = 2180933274. Its totient is φ = 2180933272.

The previous prime is 2180933267. The next prime is 2180933311. The reversal of 2180933273 is 3723390812.

It is a happy number.

It is an a-pointer prime, because the next prime (2180933311) can be obtained adding 2180933273 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2176035904 + 4897369 = 46648^2 + 2213^2 .

It is a cyclic number.

It is not a de Polignac number, because 2180933273 - 2⁸ = 2180933017 is a prime.

It is not a weakly prime, because it can be changed into another prime (2180933203) 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 as a sum of consecutive naturals, namely, 1090466636 + 1090466637.

It is an arithmetic number, because the mean of its divisors is an integer number (1090466637).

Almost surely, 2^2180933273 is an apocalyptic number.

It is an amenable number.

2180933273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2180933273 is an equidigital number, since it uses as much as digits as its factorization.

2180933273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 2180933273 is about 46700.4633060530. The cubic root of 2180933273 is about 1296.8232638290.

The spelling of 2180933273 in words is "two billion, one hundred eighty million, nine hundred thirty-three thousand, two hundred seventy-three".