19199999999998 has 8 divisors (see below), whose sum is σ = 28946192893992. Its totient is φ = 9551269035336.

The previous prime is 19199999999989. The next prime is 19200000000011. The reversal of 19199999999998 is 89999999999191.

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

It is a junction number, because it is equal to n+sod(n) for n = 19199999999894 and 19199999999903.

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, 24365481840 + ... + 24365482627.

It is an arithmetic number, because the mean of its divisors is an integer number (3618274111749).

Almost surely, 2^{19199999999998} is an apocalyptic number.

19199999999998 is a deficient number, since it is larger than the sum of its proper divisors (9746192893994).

19199999999998 is a wasteful number, since it uses less digits than its factorization.

19199999999998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48730964666.

The product of its digits is 251048476872, while the sum is 109.

The spelling of 19199999999998 in words is "nineteen trillion, one hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-eight".