273044489 has 2 divisors, whose sum is σ = 273044490. Its totient is φ = 273044488.

The previous prime is 273044449. The next prime is 273044491. The reversal of 273044489 is 984440372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269222464 + 3822025 = 16408^2 + 1955^2 .

It is a cyclic number.

It is not a de Polignac number, because 273044489 - 2²⁴ = 256267273 is a prime.

It is a super-2 number, since 2×273044489² = 149106585946542242, which contains 22 as substring.

Together with 273044491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (273044449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136522244 + 136522245.

It is an arithmetic number, because the mean of its divisors is an integer number (136522245).

Almost surely, 2^273044489 is an apocalyptic number.

It is an amenable number.

273044489 is a deficient number, since it is larger than the sum of its proper divisors (1).

273044489 is an equidigital number, since it uses as much as digits as its factorization.

273044489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 273044489 is about 16524.0578853985. The cubic root of 273044489 is about 648.7506487075.

The spelling of 273044489 in words is "two hundred seventy-three million, forty-four thousand, four hundred eighty-nine".