19799335100 has 18 divisors (see below), whose sum is σ = 42964557384. Its totient is φ = 7919734000.

The previous prime is 19799335091. The next prime is 19799335123. The reversal of 19799335100 is 153399791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98996576 + ... + 98996775.

Almost surely, 2^19799335100 is an apocalyptic number.

19799335100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19799335100 is an abundant number, since it is smaller than the sum of its proper divisors (23165222284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19799335100 is a wasteful number, since it uses less digits than its factorization.

19799335100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197993365 (or 197993358 counting only the distinct ones).

The product of its (nonzero) digits is 229635, while the sum is 47.

The spelling of 19799335100 in words is "nineteen billion, seven hundred ninety-nine million, three hundred thirty-five thousand, one hundred".