It appears to be an internal ID, likely from a messenger app or a private file-sharing source rather than a public, searchable file. To get you the right "full piece," could you please: or the first frame of the video?
(e.g., a specific app, social media platform)? Describe what happens in the video? 2_5377735719622020062.mp4
If you can provide any of these details, I'll be happy to look for it again. It appears to be an internal ID, likely
Based on my search, I cannot identify a specific video, article, or piece of content associated with the filename 2_5377735719622020062.mp4 . a specific app