47171840781373 has 12 divisors (see below), whose sum is σ = 59257188420640. Its totient is φ = 36757278530280.

The previous prime is 47171840781367. The next prime is 47171840781391. The reversal of 47171840781373 is 37318704817174.

It is a de Polignac number, because none of the positive numbers 2^k-47171840781373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47171840781323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27846422283 + ... + 27846423976.

Almost surely, 2^{47171840781373} is an apocalyptic number.

It is an amenable number.

47171840781373 is a deficient number, since it is larger than the sum of its proper divisors (12085347639267).

47171840781373 is a wasteful number, since it uses less digits than its factorization.

47171840781373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55692846288 (or 55692846277 counting only the distinct ones).

The product of its (nonzero) digits is 22127616, while the sum is 61.

The spelling of 47171840781373 in words is "forty-seven trillion, one hundred seventy-one billion, eight hundred forty million, seven hundred eighty-one thousand, three hundred seventy-three".