19242838198 has 8 divisors (see below), whose sum is σ = 28922103000. Its totient is φ = 9602137200.

The previous prime is 19242838177. The next prime is 19242838211. The reversal of 19242838198 is 89183824291.

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, 9639703 + ... + 9641698.

It is an arithmetic number, because the mean of its divisors is an integer number (3615262875).

Almost surely, 2^19242838198 is an apocalyptic number.

19242838198 is a deficient number, since it is larger than the sum of its proper divisors (9679264802).

19242838198 is a wasteful number, since it uses less digits than its factorization.

19242838198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19281902.

The product of its digits is 1990656, while the sum is 55.

The spelling of 19242838198 in words is "nineteen billion, two hundred forty-two million, eight hundred thirty-eight thousand, one hundred ninety-eight".