4161143191 has 2 divisors, whose sum is σ = 4161143192. Its totient is φ = 4161143190.

The previous prime is 4161143171. The next prime is 4161143219. The reversal of 4161143191 is 1913411614.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4161143191 is a prime.

It is a super-2 number, since 2×4161143191² = 34630225312011324962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4161143171) 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 as a sum of consecutive naturals, namely, 2080571595 + 2080571596.

It is an arithmetic number, because the mean of its divisors is an integer number (2080571596).

Almost surely, 2^4161143191 is an apocalyptic number.

4161143191 is a deficient number, since it is larger than the sum of its proper divisors (1).

4161143191 is an equidigital number, since it uses as much as digits as its factorization.

4161143191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 31.

The square root of 4161143191 is about 64506.9235896427. The cubic root of 4161143191 is about 1608.4376122985.

The spelling of 4161143191 in words is "four billion, one hundred sixty-one million, one hundred forty-three thousand, one hundred ninety-one".