199682693 has 12 divisors (see below), whose sum is σ = 232833600. Its totient is φ = 170751672.

The previous prime is 199682689. The next prime is 199682699. The reversal of 199682693 is 396286991.

It is not a de Polignac number, because 199682693 - 2² = 199682689 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199682699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17108 + ... + 26306.

It is an arithmetic number, because the mean of its divisors is an integer number (19402800).

Almost surely, 2^199682693 is an apocalyptic number.

It is an amenable number.

199682693 is a deficient number, since it is larger than the sum of its proper divisors (33150907).

199682693 is an equidigital number, since it uses as much as digits as its factorization.

199682693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9656 (or 9649 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 53.

The square root of 199682693 is about 14130.9126739924. The cubic root of 199682693 is about 584.4941135100.

The spelling of 199682693 in words is "one hundred ninety-nine million, six hundred eighty-two thousand, six hundred ninety-three".