191114849 has 2 divisors, whose sum is σ = 191114850. Its totient is φ = 191114848.

The previous prime is 191114827. The next prime is 191114851. The reversal of 191114849 is 948411191.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189750625 + 1364224 = 13775^2 + 1168^2 .

It is a cyclic number.

It is not a de Polignac number, because 191114849 - 2⁸ = 191114593 is a prime.

Together with 191114851, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (191114249) 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, 95557424 + 95557425.

It is an arithmetic number, because the mean of its divisors is an integer number (95557425).

Almost surely, 2^191114849 is an apocalyptic number.

It is an amenable number.

191114849 is a deficient number, since it is larger than the sum of its proper divisors (1).

191114849 is an equidigital number, since it uses as much as digits as its factorization.

191114849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 38.

The square root of 191114849 is about 13824.4294276473. The cubic root of 191114849 is about 576.0119284840.

The spelling of 191114849 in words is "one hundred ninety-one million, one hundred fourteen thousand, eight hundred forty-nine".