It is a de Polignac number, because none of the positive numbers 2k-642370155643741 is a prime.
It is a Duffinian number.
It is a congruent number.
Almost surely, 2642370155643741 is an apocalyptic number.
It is an amenable number.
642370155643741 is a wasteful number, since it uses less digits than its factorization.
642370155643741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22407468.
The spelling of 642370155643741 in words is "six hundred forty-two trillion, three hundred seventy billion, one hundred fifty-five million, six hundred forty-three thousand, seven hundred forty-one".