549692243 has 2 divisors, whose sum is σ = 549692244. Its totient is φ = 549692242.

The previous prime is 549692179. The next prime is 549692293. The reversal of 549692243 is 342296945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549692243 - 2⁶ = 549692179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549692194 and 549692203.

It is not a weakly prime, because it can be changed into another prime (549692293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274846121 + 274846122.

It is an arithmetic number, because the mean of its divisors is an integer number (274846122).

Almost surely, 2^549692243 is an apocalyptic number.

549692243 is a deficient number, since it is larger than the sum of its proper divisors (1).

549692243 is an equidigital number, since it uses as much as digits as its factorization.

549692243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 44.

The square root of 549692243 is about 23445.5164797025. The cubic root of 549692243 is about 819.1684227812.

The spelling of 549692243 in words is "five hundred forty-nine million, six hundred ninety-two thousand, two hundred forty-three".