194731295274 has 24 divisors (see below), whose sum is σ = 423917425152. Its totient is φ = 64602798120.

The previous prime is 194731295257. The next prime is 194731295321. The reversal of 194731295274 is 472592137491.

194731295274 is a `hidden beast` number, since 1 + 9 + 473 + 12 + 95 + 2 + 74 = 666.

194731295274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 194731295274.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25632234 + ... + 25639829.

It is an arithmetic number, because the mean of its divisors is an integer number (17663226048).

Almost surely, 2^194731295274 is an apocalyptic number.

194731295274 is an abundant number, since it is smaller than the sum of its proper divisors (229186129878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194731295274 is a wasteful number, since it uses less digits than its factorization.

194731295274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51272282 (or 51272279 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The spelling of 194731295274 in words is "one hundred ninety-four billion, seven hundred thirty-one million, two hundred ninety-five thousand, two hundred seventy-four".