199043207530 has 16 divisors (see below), whose sum is σ = 369835121664. Its totient is φ = 77048983440.

The previous prime is 199043207471. The next prime is 199043207563. The reversal of 199043207530 is 35702340991.

It is a super-3 number, since 3×199043207530³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321037122 + ... + 321037741.

It is an arithmetic number, because the mean of its divisors is an integer number (23114695104).

Almost surely, 2^199043207530 is an apocalyptic number.

199043207530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199043207530 is a deficient number, since it is larger than the sum of its proper divisors (170791914134).

199043207530 is a wasteful number, since it uses less digits than its factorization.

199043207530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642074901.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 199043207530 in words is "one hundred ninety-nine billion, forty-three million, two hundred seven thousand, five hundred thirty".