2180010043 has 4 divisors (see below), whose sum is σ = 2180104168. Its totient is φ = 2179915920.

The previous prime is 2180010031. The next prime is 2180010047. The reversal of 2180010043 is 3400100812.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2180010043 is a prime.

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 2180010043.

It is not an unprimeable number, because it can be changed into a prime (2180010047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14680 + ... + 67642.

It is an arithmetic number, because the mean of its divisors is an integer number (545026042).

Almost surely, 2^2180010043 is an apocalyptic number.

2180010043 is a deficient number, since it is larger than the sum of its proper divisors (94125).

2180010043 is an equidigital number, since it uses as much as digits as its factorization.

2180010043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94124.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2180010043 is about 46690.5776683048. The cubic root of 2180010043 is about 1296.6402481237.

Adding to 2180010043 its reverse (3400100812), we get a palindrome (5580110855).

The spelling of 2180010043 in words is "two billion, one hundred eighty million, ten thousand, forty-three".