9820199794 has 8 divisors (see below), whose sum is σ = 14750127360. Its totient is φ = 4903490676.

The previous prime is 9820199773. The next prime is 9820199813. The reversal of 9820199794 is 4979910289.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3302754 + ... + 3305725.

It is an arithmetic number, because the mean of its divisors is an integer number (1843765920).

Almost surely, 2^9820199794 is an apocalyptic number.

9820199794 is a deficient number, since it is larger than the sum of its proper divisors (4929927566).

9820199794 is a wasteful number, since it uses less digits than its factorization.

9820199794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6609224.

The product of its (nonzero) digits is 2939328, while the sum is 58.

The square root of 9820199794 is about 99096.9212135271. The cubic root of 9820199794 is about 2141.4442600222. Note that the first 3 decimals are identical.

The spelling of 9820199794 in words is "nine billion, eight hundred twenty million, one hundred ninety-nine thousand, seven hundred ninety-four".