194399999999998 has 128 divisors (see below), whose sum is σ = 335362321728000. Its totient is φ = 83852927101440.

The previous prime is 194399999999977. The next prime is 194400000000001. The reversal of 194399999999998 is 899999999993491.

It is a junction number, because it is equal to n+sod(n) for n = 194399999999891 and 194399999999900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17771271613 + ... + 17771282551.

It is an arithmetic number, because the mean of its divisors is an integer number (2620018138500).

Almost surely, 2^{194399999999998} is an apocalyptic number.

194399999999998 is a deficient number, since it is larger than the sum of its proper divisors (140962321728002).

194399999999998 is a wasteful number, since it uses less digits than its factorization.

194399999999998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14250.

The product of its digits is 3012581722464, while the sum is 115.

The spelling of 194399999999998 in words is "one hundred ninety-four trillion, three hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-eight".