19705103198 has 8 divisors (see below), whose sum is σ = 32244714360. Its totient is φ = 8956865080.

The previous prime is 19705103177. The next prime is 19705103213. The reversal of 19705103198 is 89130150791.

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

It is a congruent number.

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, 447843233 + ... + 447843276.

It is an arithmetic number, because the mean of its divisors is an integer number (4030589295).

Almost surely, 2^19705103198 is an apocalyptic number.

19705103198 is a deficient number, since it is larger than the sum of its proper divisors (12539611162).

19705103198 is a wasteful number, since it uses less digits than its factorization.

19705103198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895686522.

The product of its (nonzero) digits is 68040, while the sum is 44.

The spelling of 19705103198 in words is "nineteen billion, seven hundred five million, one hundred three thousand, one hundred ninety-eight".