It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-3445681773709 is a prime.
It is a Duffinian number.
It is a congruent number.
Almost surely, 23445681773709 is an apocalyptic number.
It is an amenable number.
3445681773709 is an equidigital number, since it uses as much as digits as its factorization.
3445681773709 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 492240253394.
The spelling of 3445681773709 in words is "three trillion, four hundred forty-five billion, six hundred eighty-one million, seven hundred seventy-three thousand, seven hundred nine".