I'm not quite sure what you're looking for because that appears to be a generic string of numbers often generated by social media apps (like Telegram or WhatsApp) or system backups .
Are you trying to or locate this specific video file on your phone? -4706112900671057013.MP4
Since I can't see or access the specific file on your device, could you clarify what you need help with? For example: I'm not quite sure what you're looking for