: The numbers serve as unique identifiers within Telegram's database.
Because these filenames are generated automatically by Telegram's servers, they don't describe the video's content. A file with this exact name could be anything from a viral meme or a movie clip to a tutorial or a personal video shared in a private group. Why do these filenames look like this? 5_6224257169320052503mp4
: Use a sandboxed media player if you are suspicious of the file's origin. : The numbers serve as unique identifiers within