394605853342 has 4 divisors (see below), whose sum is σ = 591908780016. Its totient is φ = 197302926670.

The previous prime is 394605853321. The next prime is 394605853361. The reversal of 394605853342 is 243358506493.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 394605853342.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 98651463334 + ... + 98651463337.

It is an arithmetic number, because the mean of its divisors is an integer number (147977195004).

Almost surely, 2^394605853342 is an apocalyptic number.

394605853342 is a deficient number, since it is larger than the sum of its proper divisors (197302926674).

394605853342 is a wasteful number, since it uses less digits than its factorization.

394605853342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197302926673.

The product of its (nonzero) digits is 9331200, while the sum is 52.

The spelling of 394605853342 in words is "three hundred ninety-four billion, six hundred five million, eight hundred fifty-three thousand, three hundred forty-two".