What kind of star is beteleuges?

Betelgeuse is a red supergiant star located in the constellation Orion. It is one of the largest and most luminous stars known, with a diameter over 1,000 times that of the Sun. As a late-stage star, Betelgeuse is nearing the end of its life and is expected to eventually explode as a supernova. Its distinctive reddish color is due to its cooler surface temperature compared to hotter stars.