4180842191 has 2 divisors, whose sum is σ = 4180842192. Its totient is φ = 4180842190.

The previous prime is 4180842163. The next prime is 4180842199. The reversal of 4180842191 is 1912480814.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4180842191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4180842199) 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 as a sum of consecutive naturals, namely, 2090421095 + 2090421096.

It is an arithmetic number, because the mean of its divisors is an integer number (2090421096).

Almost surely, 2^4180842191 is an apocalyptic number.

4180842191 is a deficient number, since it is larger than the sum of its proper divisors (1).

4180842191 is an equidigital number, since it uses as much as digits as its factorization.

4180842191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 4180842191 is about 64659.4323436264. The cubic root of 4180842191 is about 1610.9717512327.

The spelling of 4180842191 in words is "four billion, one hundred eighty million, eight hundred forty-two thousand, one hundred ninety-one".