File geodatabase size and name limits are as follows:
File geodatabase size—No limit
Table or feature class size—1 TB (default), 4 GB or 256 TB with keyword
Number of feature classes and tables—2,147,483,647
Number of fields in a feature class or table—65,534
Number of rows in a feature class or table—2,147,483,647
Geodatabase name length—The number of characters the operating system allows in a folder name
Feature dataset name length—160 characters
Feature class or table name length—160 characters
Field name length—64 characters
Text field width—2,147,483,647 characters