194385306346 has 16 divisors (see below), whose sum is σ = 363525768000. Its totient is φ = 75734534880.

The previous prime is 194385306319. The next prime is 194385306361. The reversal of 194385306346 is 643603583491.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 194385306293 and 194385306302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631120971 + ... + 631121278.

It is an arithmetic number, because the mean of its divisors is an integer number (22720360500).

Almost surely, 2^194385306346 is an apocalyptic number.

194385306346 is a deficient number, since it is larger than the sum of its proper divisors (169140461654).

194385306346 is a wasteful number, since it uses less digits than its factorization.

194385306346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262242269.

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 194385306346 in words is "one hundred ninety-four billion, three hundred eighty-five million, three hundred six thousand, three hundred forty-six".