It is a strong prime.
It is a cyclic number.
It is a congruent number.
Almost surely, 247373472699909 is an apocalyptic number.
It is an amenable number.
47373472699909 is an equidigital number, since it uses as much as digits as its factorization.
47373472699909 is an evil number, because the sum of its binary digits is even.
The spelling of 47373472699909 in words is "forty-seven trillion, three hundred seventy-three billion, four hundred seventy-two million, six hundred ninety-nine thousand, nine hundred nine".