8189552191 has 2 divisors, whose sum is σ = 8189552192. Its totient is φ = 8189552190.

The previous prime is 8189552183. The next prime is 8189552233. The reversal of 8189552191 is 1912559818.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8189552191 - 2³ = 8189552183 is a prime.

It is a super-2 number, since 2×8189552191² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8189552141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4094776095 + 4094776096.

It is an arithmetic number, because the mean of its divisors is an integer number (4094776096).

Almost surely, 2^8189552191 is an apocalyptic number.

8189552191 is a deficient number, since it is larger than the sum of its proper divisors (1).

8189552191 is an equidigital number, since it uses as much as digits as its factorization.

8189552191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 49.

The square root of 8189552191 is about 90496.1446195361. The cubic root of 8189552191 is about 2015.6728755797.

The spelling of 8189552191 in words is "eight billion, one hundred eighty-nine million, five hundred fifty-two thousand, one hundred ninety-one".