194705811984 has 40 divisors (see below), whose sum is σ = 506365804800. Its totient is φ = 64466351488.

The previous prime is 194705811983. The next prime is 194705812013. The reversal of 194705811984 is 489118507491.

194705811984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (194705811983) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13604832 + ... + 13619135.

It is an arithmetic number, because the mean of its divisors is an integer number (12659145120).

Almost surely, 2^194705811984 is an apocalyptic number.

It is an amenable number.

194705811984 is an abundant number, since it is smaller than the sum of its proper divisors (311659992816).

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

194705811984 is a wasteful number, since it uses less digits than its factorization.

194705811984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27224127 (or 27224121 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 57.

The spelling of 194705811984 in words is "one hundred ninety-four billion, seven hundred five million, eight hundred eleven thousand, nine hundred eighty-four".