199889000934 has 48 divisors (see below), whose sum is σ = 466726943088. Its totient is φ = 56904942528.

The previous prime is 199889000933. The next prime is 199889000939. The reversal of 199889000934 is 439000988991.

It is a happy number.

199889000934 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×199889000934² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199889000933) 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 23 ways as a sum of consecutive naturals, for example, 1145809 + ... + 1308684.

It is an arithmetic number, because the mean of its divisors is an integer number (9723477981).

Almost surely, 2^199889000934 is an apocalyptic number.

199889000934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

199889000934 is an abundant number, since it is smaller than the sum of its proper divisors (266837942154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199889000934 is a wasteful number, since it uses less digits than its factorization.

199889000934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454789 (or 2454782 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 60.

The spelling of 199889000934 in words is "one hundred ninety-nine billion, eight hundred eighty-nine million, nine hundred thirty-four", and thus it is an aban number.