2731673170133 has 4 divisors (see below), whose sum is σ = 2731696799340. Its totient is φ = 2731649540928.

The previous prime is 2731673170099. The next prime is 2731673170159. The reversal of 2731673170133 is 3310713761372.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1419736591729 + 1311936578404 = 1191527^2 + 1145398^2 .

It is a cyclic number.

It is not a de Polignac number, because 2731673170133 - 2²⁰ = 2731672121557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731673172133) 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, 11640338 + ... + 11872691.

It is an arithmetic number, because the mean of its divisors is an integer number (682924199835).

Almost surely, 2^{2731673170133} is an apocalyptic number.

It is an amenable number.

2731673170133 is a deficient number, since it is larger than the sum of its proper divisors (23629207).

2731673170133 is a wasteful number, since it uses less digits than its factorization.

2731673170133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23629206.

The product of its (nonzero) digits is 333396, while the sum is 44.

The spelling of 2731673170133 in words is "two trillion, seven hundred thirty-one billion, six hundred seventy-three million, one hundred seventy thousand, one hundred thirty-three".