199999529 has 8 divisors (see below), whose sum is σ = 212571840. Its totient is φ = 187631856.

The previous prime is 199999483. The next prime is 199999589. The reversal of 199999529 is 925999991.

199999529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199999529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199999589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49142 + ... + 53055.

It is an arithmetic number, because the mean of its divisors is an integer number (26571480).

Almost surely, 2^199999529 is an apocalyptic number.

199999529 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

199999529 is a deficient number, since it is larger than the sum of its proper divisors (12572311).

199999529 is a wasteful number, since it uses less digits than its factorization.

199999529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102319.

The product of its digits is 5314410, while the sum is 62.

The square root of 199999529 is about 14142.1189713564. The cubic root of 199999529 is about 584.8030885714.

The spelling of 199999529 in words is "one hundred ninety-nine million, nine hundred ninety-nine thousand, five hundred twenty-nine".