2018183729191 has 4 divisors (see below), whose sum is σ = 2306495690512. Its totient is φ = 1729871767872.

The previous prime is 2018183729183. The next prime is 2018183729209. The reversal of 2018183729191 is 1919273818102.

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

It is a cyclic number.

It is not a de Polignac number, because 2018183729191 - 2³ = 2018183729183 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 (2018183729101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144155980650 + ... + 144155980663.

It is an arithmetic number, because the mean of its divisors is an integer number (576623922628).

Almost surely, 2^{2018183729191} is an apocalyptic number.

2018183729191 is a deficient number, since it is larger than the sum of its proper divisors (288311961321).

2018183729191 is an equidigital number, since it uses as much as digits as its factorization.

2018183729191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288311961320.

The product of its (nonzero) digits is 435456, while the sum is 52.

The spelling of 2018183729191 in words is "two trillion, eighteen billion, one hundred eighty-three million, seven hundred twenty-nine thousand, one hundred ninety-one".