Perfect Square
6398144738624607906108424417096708570739720993361 is a perfect square (2529455423332185924629769 × 2529455423332185924629769)
6398144738624607906108424417096708570739720993361 is a perfect square (2529455423332185924629769 × 2529455423332185924629769)
6398144738624607906108424417096708570739720993361 is odd
Previous odd number is 6398144738624607906108424417096708570739720993359
Next odd number is 6398144738624607906108424417096708570739720993363
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