MariaDB [test]> create table x (x bigint unsigned);

Query OK, 0 rows affected (0.09 sec)

MariaDB [test]> insert into x values (37000);

Query OK, 1 row affected (0.07 sec)

MariaDB [test]> update ignore x set x=x*x;

Query OK, 1 row affected (0.04 sec)

Rows matched: 1  Changed: 1  Warnings: 0

MariaDB [test]> update ignore x set x=x*x;

Query OK, 1 row affected (0.04 sec)

Rows matched: 1  Changed: 1  Warnings: 0

MariaDB [test]> update ignore x set x=x*x;

ERROR 1690 (22003): BIGINT UNSIGNED value is out of range in '(`test`.`x`.`x` * `test`.`x`.`x`)'