192949191 has 12 divisors (see below), whose sum is σ = 286237432. Its totient is φ = 125156016.

The previous prime is 192949181. The next prime is 192949297. The reversal of 192949191 is 191949291.

It is not a de Polignac number, because 192949191 - 2¹⁰ = 192948167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192949111) 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 in 11 ways as a sum of consecutive naturals, for example, 289381 + ... + 290046.

Almost surely, 2^192949191 is an apocalyptic number.

192949191 is a deficient number, since it is larger than the sum of its proper divisors (93288241).

192949191 is a wasteful number, since it uses less digits than its factorization.

192949191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579470 (or 579467 counting only the distinct ones).

The product of its digits is 52488, while the sum is 45.

The square root of 192949191 is about 13890.6152131574. The cubic root of 192949191 is about 577.8489396229.

The spelling of 192949191 in words is "one hundred ninety-two million, nine hundred forty-nine thousand, one hundred ninety-one".