849058191 has 6 divisors (see below), whose sum is σ = 1226417400. Its totient is φ = 566038788.

The previous prime is 849058151. The next prime is 849058213. The reversal of 849058191 is 191850948.

It is not a de Polignac number, because 849058191 - 2⁶ = 849058127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849058151) 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 in 5 ways as a sum of consecutive naturals, for example, 47169891 + ... + 47169908.

It is an arithmetic number, because the mean of its divisors is an integer number (204402900).

Almost surely, 2^849058191 is an apocalyptic number.

849058191 is a deficient number, since it is larger than the sum of its proper divisors (377359209).

849058191 is a wasteful number, since it uses less digits than its factorization.

849058191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94339805 (or 94339802 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 849058191 is about 29138.6031065321. The cubic root of 849058191 is about 946.9182468108.

It can be divided in two parts, 84905 and 8191, that added together give a triangular number (93096 = T₄₃₁).

The spelling of 849058191 in words is "eight hundred forty-nine million, fifty-eight thousand, one hundred ninety-one".