Data of type "NUMBER" is displayed differently in the query result grid on SQL Notebooks than on SQL Worksheets:
desc all_users
/*
Name Null? Type
----------------- -------- ------------------
USERNAME NOT NULL VARCHAR2(128 BYTE)
USER_ID NOT NULL NUMBER
CREATED NOT NULL DATE
...
*/
select user_id from all_users where username = 'SYSBACKUP';
→ SQL Notebook “2,147,483,617”
→ SQL Worksheet “2147483617”
(Version 25.2.2)