19992000799 has 8 divisors (see below), whose sum is σ = 21171157920. Its totient is φ = 18813194496.

The previous prime is 19992000767. The next prime is 19992000817. The reversal of 19992000799 is 99700029991.

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

It is a cyclic number.

It is not a de Polignac number, because 19992000799 - 2⁵ = 19992000767 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 (19992700799) 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, 34507 + ... + 202915.

It is an arithmetic number, because the mean of its divisors is an integer number (2646394740).

Almost surely, 2^19992000799 is an apocalyptic number.

19992000799 is a deficient number, since it is larger than the sum of its proper divisors (1179157121).

19992000799 is a wasteful number, since it uses less digits than its factorization.

19992000799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175409.

The product of its (nonzero) digits is 826686, while the sum is 55.

The spelling of 19992000799 in words is "nineteen billion, nine hundred ninety-two million, seven hundred ninety-nine", and thus it is an aban number.