194843008mp4 -

Digital recorders often generate long numeric strings as filenames based on timestamps.

If you can describe what happens in the video or tell me where you saw this ID, I can help you investigate further or draft a report based on that information. 194843008mp4

Right-click the file (on Windows) or "Get Info" (on Mac) to see the creation date and device source. Digital recorders often generate long numeric strings as