273830189 has 2 divisors, whose sum is σ = 273830190. Its totient is φ = 273830188.

The previous prime is 273830129. The next prime is 273830191. The reversal of 273830189 is 981038372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152720164 + 121110025 = 12358^2 + 11005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273830189 is a prime.

Together with 273830191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273830129) 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 as a sum of consecutive naturals, namely, 136915094 + 136915095.

It is an arithmetic number, because the mean of its divisors is an integer number (136915095).

Almost surely, 2^273830189 is an apocalyptic number.

It is an amenable number.

273830189 is a deficient number, since it is larger than the sum of its proper divisors (1).

273830189 is an equidigital number, since it uses as much as digits as its factorization.

273830189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 273830189 is about 16547.8152334379. The cubic root of 273830189 is about 649.3723242544.

The spelling of 273830189 in words is "two hundred seventy-three million, eight hundred thirty thousand, one hundred eighty-nine".