19823798935 has 32 divisors (see below), whose sum is σ = 24979046400. Its totient is φ = 15085284480.

The previous prime is 19823798881. The next prime is 19823798993. The reversal of 19823798935 is 53989732891.

It is not a de Polignac number, because 19823798935 - 2¹³ = 19823790743 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2141046 + ... + 2150284.

It is an arithmetic number, because the mean of its divisors is an integer number (780595200).

Almost surely, 2^19823798935 is an apocalyptic number.

19823798935 is a deficient number, since it is larger than the sum of its proper divisors (5155247465).

19823798935 is a wasteful number, since it uses less digits than its factorization.

19823798935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9511.

The product of its digits is 29393280, while the sum is 64.

The spelling of 19823798935 in words is "nineteen billion, eight hundred twenty-three million, seven hundred ninety-eight thousand, nine hundred thirty-five".