199913073 has 8 divisors (see below), whose sum is σ = 266764608. Its totient is φ = 133168464.

The previous prime is 199913071. The next prime is 199913083. The reversal of 199913073 is 370319991.

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

It is not a de Polignac number, because 199913073 - 2¹ = 199913071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199913071) 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 7 ways as a sum of consecutive naturals, for example, 22261 + ... + 29922.

It is an arithmetic number, because the mean of its divisors is an integer number (33345576).

Almost surely, 2^199913073 is an apocalyptic number.

It is an amenable number.

199913073 is a deficient number, since it is larger than the sum of its proper divisors (66851535).

199913073 is a wasteful number, since it uses less digits than its factorization.

199913073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53463.

The product of its (nonzero) digits is 45927, while the sum is 42.

The square root of 199913073 is about 14139.0619561554. The cubic root of 199913073 is about 584.7188100014.

The spelling of 199913073 in words is "one hundred ninety-nine million, nine hundred thirteen thousand, seventy-three".