549744199 has 2 divisors, whose sum is σ = 549744200. Its totient is φ = 549744198.

The previous prime is 549744163. The next prime is 549744203. The reversal of 549744199 is 991447945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549744199 - 2⁷ = 549744071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549744799) 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, 274872099 + 274872100.

It is an arithmetic number, because the mean of its divisors is an integer number (274872100).

Almost surely, 2^549744199 is an apocalyptic number.

549744199 is a deficient number, since it is larger than the sum of its proper divisors (1).

549744199 is an equidigital number, since it uses as much as digits as its factorization.

549744199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 52.

The square root of 549744199 is about 23446.6244692066. The cubic root of 549744199 is about 819.1942307821.

The spelling of 549744199 in words is "five hundred forty-nine million, seven hundred forty-four thousand, one hundred ninety-nine".