196011789849 has 12 divisors (see below), whose sum is σ = 283248293796. Its totient is φ = 130619071392.

The previous prime is 196011789763. The next prime is 196011789877. The reversal of 196011789849 is 948987110691.

196011789849 is a `hidden beast` number, since 1 + 9 + 601 + 17 + 8 + 9 + 8 + 4 + 9 = 666.

196011789849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 27967545225 + 168044244624 = 167235^2 + 409932^2 .

It is not a de Polignac number, because 196011789849 - 2¹¹ = 196011787801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196011789899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4598874 + ... + 4641299.

It is an arithmetic number, because the mean of its divisors is an integer number (23604024483).

Almost surely, 2^196011789849 is an apocalyptic number.

It is an amenable number.

196011789849 is a deficient number, since it is larger than the sum of its proper divisors (87236503947).

196011789849 is a wasteful number, since it uses less digits than its factorization.

196011789849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9242536 (or 9242533 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 63.

The spelling of 196011789849 in words is "one hundred ninety-six billion, eleven million, seven hundred eighty-nine thousand, eight hundred forty-nine".