2180873972133 has 32 divisors (see below), whose sum is σ = 3234121425920. Its totient is φ = 1452478029120.

The previous prime is 2180873972089. The next prime is 2180873972159. The reversal of 2180873972133 is 3312793780812.

2180873972133 is a `hidden beast` number, since 218 + 0 + 8 + 7 + 397 + 2 + 1 + 33 = 666.

It is not a de Polignac number, because 2180873972133 - 2¹⁰ = 2180873971109 is a prime.

It is a super-2 number, since 2×2180873972133² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2180873972133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180873972033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149808891 + ... + 149823447.

It is an arithmetic number, because the mean of its divisors is an integer number (101066294560).

Almost surely, 2^{2180873972133} is an apocalyptic number.

It is an amenable number.

2180873972133 is a deficient number, since it is larger than the sum of its proper divisors (1053247453787).

2180873972133 is a wasteful number, since it uses less digits than its factorization.

2180873972133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19674 (or 19668 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 2180873972133 in words is "two trillion, one hundred eighty billion, eight hundred seventy-three million, nine hundred seventy-two thousand, one hundred thirty-three".