194333749855 has 24 divisors (see below), whose sum is σ = 272458732320. Its totient is φ = 132675480000.

The previous prime is 194333749849. The next prime is 194333749859. The reversal of 194333749855 is 558947333491.

It is not a de Polignac number, because 194333749855 - 2³ = 194333749847 is a prime.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 194333749793 and 194333749802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194333749859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1675771 + ... + 1787980.

It is an arithmetic number, because the mean of its divisors is an integer number (11352447180).

Almost surely, 2^194333749855 is an apocalyptic number.

194333749855 is a deficient number, since it is larger than the sum of its proper divisors (78124982465).

194333749855 is a wasteful number, since it uses less digits than its factorization.

194333749855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463999 (or 3463992 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 61.

The spelling of 194333749855 in words is "one hundred ninety-four billion, three hundred thirty-three million, seven hundred forty-nine thousand, eight hundred fifty-five".