199999010 has 16 divisors (see below), whose sum is σ = 362748672. Its totient is φ = 79388400.

The previous prime is 199999001. The next prime is 199999043. The reversal of 199999010 is 10999991.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 75026 + ... + 77645.

It is an arithmetic number, because the mean of its divisors is an integer number (22671792).

Almost surely, 2^199999010 is an apocalyptic number.

199999010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199999010 is a deficient number, since it is larger than the sum of its proper divisors (162749662).

199999010 is a wasteful number, since it uses less digits than its factorization.

199999010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152809.

The product of its (nonzero) digits is 59049, while the sum is 47.

The square root of 199999010 is about 14142.1006219020. The cubic root of 199999010 is about 584.8025827151.

The spelling of 199999010 in words is "one hundred ninety-nine million, nine hundred ninety-nine thousand, ten".