3161743205873 has 4 divisors (see below), whose sum is σ = 3613420806720. Its totient is φ = 2710065605028.

The previous prime is 3161743205851. The next prime is 3161743205891. The reversal of 3161743205873 is 3785023471613.

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 3161743205873 - 2⁸ = 3161743205617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3161743205893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225838800413 + ... + 225838800426.

It is an arithmetic number, because the mean of its divisors is an integer number (903355201680).

Almost surely, 2^{3161743205873} is an apocalyptic number.

It is an amenable number.

3161743205873 is a deficient number, since it is larger than the sum of its proper divisors (451677600847).

3161743205873 is an equidigital number, since it uses as much as digits as its factorization.

3161743205873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451677600846.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 3161743205873 in words is "three trillion, one hundred sixty-one billion, seven hundred forty-three million, two hundred five thousand, eight hundred seventy-three".