199308247889 has 8 divisors (see below), whose sum is σ = 207774554880. Its totient is φ = 190969254000.

The previous prime is 199308247871. The next prime is 199308247907. The reversal of 199308247889 is 988742803991.

199308247889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (199308247871) and next prime (199308247907).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199308247889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199308247849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31825079 + ... + 31831340.

It is an arithmetic number, because the mean of its divisors is an integer number (25971819360).

Almost surely, 2^199308247889 is an apocalyptic number.

It is an amenable number.

199308247889 is a deficient number, since it is larger than the sum of its proper divisors (8466306991).

199308247889 is a wasteful number, since it uses less digits than its factorization.

199308247889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63656551.

The product of its (nonzero) digits is 62705664, while the sum is 68.

The spelling of 199308247889 in words is "one hundred ninety-nine billion, three hundred eight million, two hundred forty-seven thousand, eight hundred eighty-nine".