19799206355 has 8 divisors (see below), whose sum is σ = 23977021200. Its totient is φ = 15694049376.

The previous prime is 19799206309. The next prime is 19799206363. The reversal of 19799206355 is 55360299791.

It is a happy number.

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 19799206355 - 2³⁰ = 18725464531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19799206355.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18163865 + ... + 18164954.

It is an arithmetic number, because the mean of its divisors is an integer number (2997127650).

Almost surely, 2^19799206355 is an apocalyptic number.

19799206355 is a deficient number, since it is larger than the sum of its proper divisors (4177814845).

19799206355 is a wasteful number, since it uses less digits than its factorization.

19799206355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36328933.

The product of its (nonzero) digits is 4592700, while the sum is 56.

The spelling of 19799206355 in words is "nineteen billion, seven hundred ninety-nine million, two hundred six thousand, three hundred fifty-five".