394365304105 has 32 divisors (see below), whose sum is σ = 512559968256. Its totient is φ = 290198329344.

The previous prime is 394365304061. The next prime is 394365304147. The reversal of 394365304105 is 501403563493.

It is a cyclic number.

It is not a de Polignac number, because 394365304105 - 2²³ = 394356915497 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 450637 + ... + 995893.

It is an arithmetic number, because the mean of its divisors is an integer number (16017499008).

Almost surely, 2^394365304105 is an apocalyptic number.

It is an amenable number.

394365304105 is a deficient number, since it is larger than the sum of its proper divisors (118194664151).

394365304105 is a wasteful number, since it uses less digits than its factorization.

394365304105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545473.

The product of its (nonzero) digits is 583200, while the sum is 43.

Adding to 394365304105 its reverse (501403563493), we get a palindrome (895768867598).

The spelling of 394365304105 in words is "three hundred ninety-four billion, three hundred sixty-five million, three hundred four thousand, one hundred five".