3561681282173 has 16 divisors (see below), whose sum is σ = 4217861276160. Its totient is φ = 2942693712000.

The previous prime is 3561681282161. The next prime is 3561681282199. The reversal of 3561681282173 is 3712821861653.

It is a de Polignac number, because none of the positive numbers 2^k-3561681282173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3561681282673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14474693 + ... + 14718698.

It is an arithmetic number, because the mean of its divisors is an integer number (263616329760).

Almost surely, 2^{3561681282173} is an apocalyptic number.

It is an amenable number.

3561681282173 is a deficient number, since it is larger than the sum of its proper divisors (656179993987).

3561681282173 is a wasteful number, since it uses less digits than its factorization.

3561681282173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29194028.

The product of its digits is 2903040, while the sum is 53.

The spelling of 3561681282173 in words is "three trillion, five hundred sixty-one billion, six hundred eighty-one million, two hundred eighty-two thousand, one hundred seventy-three".