It is an ABA number since it can be written as A⋅BA, here for A=2, B=5733395.
It is a Duffinian number.
It is an unprimeable number.
Almost surely, 265743636452050 is an apocalyptic number.
65743636452050 is an frugal number, since it uses more digits than its factorization.
65743636452050 is an evil number, because the sum of its binary digits is even.
The spelling of 65743636452050 in words is "sixty-five trillion, seven hundred forty-three billion, six hundred thirty-six million, four hundred fifty-two thousand, fifty".