191449712 has 10 divisors (see below), whose sum is σ = 370933848. Its totient is φ = 95724848.

The previous prime is 191449711. The next prime is 191449751. The reversal of 191449712 is 217944191.

191449712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191449711) 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, 5982788 + ... + 5982819.

Almost surely, 2^191449712 is an apocalyptic number.

It is an amenable number.

191449712 is a deficient number, since it is larger than the sum of its proper divisors (179484136).

191449712 is a wasteful number, since it uses less digits than its factorization.

191449712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11965615 (or 11965609 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 191449712 is about 13836.5354045007. The cubic root of 191449712 is about 576.3481530771.

The spelling of 191449712 in words is "one hundred ninety-one million, four hundred forty-nine thousand, seven hundred twelve".