8109244415173 has 4 divisors (see below), whose sum is σ = 8846448452928. Its totient is φ = 7372040377420.

The previous prime is 8109244415087. The next prime is 8109244415177. The reversal of 8109244415173 is 3715144429018.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8109244415173 - 2³⁷ = 7971805461701 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8109244415177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368602018861 + ... + 368602018882.

It is an arithmetic number, because the mean of its divisors is an integer number (2211612113232).

Almost surely, 2^{8109244415173} is an apocalyptic number.

It is an amenable number.

8109244415173 is a deficient number, since it is larger than the sum of its proper divisors (737204037755).

8109244415173 is a wasteful number, since it uses less digits than its factorization.

8109244415173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737204037754.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 8109244415173 in words is "eight trillion, one hundred nine billion, two hundred forty-four million, four hundred fifteen thousand, one hundred seventy-three".