199483509 has 8 divisors (see below), whose sum is σ = 266065792. Its totient is φ = 132945120.

The previous prime is 199483447. The next prime is 199483549. The reversal of 199483509 is 905384991.

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

It is not a de Polignac number, because 199483509 - 2¹³ = 199475317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199483549) 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, 1737 + ... + 20049.

It is an arithmetic number, because the mean of its divisors is an integer number (33258224).

Almost surely, 2^199483509 is an apocalyptic number.

It is an amenable number.

199483509 is a deficient number, since it is larger than the sum of its proper divisors (66582283).

199483509 is a wasteful number, since it uses less digits than its factorization.

199483509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21947.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 199483509 is about 14123.8631046892. The cubic root of 199483509 is about 584.2997040603.

The spelling of 199483509 in words is "one hundred ninety-nine million, four hundred eighty-three thousand, five hundred nine".