2MASS Extended Source Catalog Verification Query

SELECT count(*) as rows,
       sum(ext_key::bigint) as sum_ext_key,
       sum(use_src) as sum_use_src,
       sum(dup_src) as sum_dup_src,
       sum(pts_key::bigint) as sum_pts_key 
       from twomass_xsc;


  rows   |  sum_ext_key  | sum_use_src | sum_dup_src |   sum_pts_key   
---------+---------------+-------------+-------------+-----------------
 1647599 | 2146404951676 |     1587504 |      196537 | 992540387061069