3817321882173 has 12 divisors (see below), whose sum is σ = 5516213599260. Its totient is φ = 2543817771456.

The previous prime is 3817321882159. The next prime is 3817321882181. The reversal of 3817321882173 is 3712881237183.

3817321882173 is a `hidden beast` number, since 381 + 7 + 3 + 2 + 18 + 82 + 173 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 483710513049 + 3333611369124 = 695493^2 + 1825818^2 .

It is not a de Polignac number, because 3817321882173 - 2⁵ = 3817321882141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3817321882193) 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, 88600878 + ... + 88643951.

It is an arithmetic number, because the mean of its divisors is an integer number (459684466605).

Almost surely, 2^{3817321882173} is an apocalyptic number.

It is an amenable number.

3817321882173 is a deficient number, since it is larger than the sum of its proper divisors (1698891717087).

3817321882173 is a wasteful number, since it uses less digits than its factorization.

3817321882173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177247228 (or 177247225 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The spelling of 3817321882173 in words is "three trillion, eight hundred seventeen billion, three hundred twenty-one million, eight hundred eighty-two thousand, one hundred seventy-three".