394668714896 has 20 divisors (see below), whose sum is σ = 775145577612. Its totient is φ = 194631146496.

The previous prime is 394668714887. The next prime is 394668714967. The reversal of 394668714896 is 698417866493.

It can be written as a sum of positive squares in 2 ways, for example, as 303561329296 + 91107385600 = 550964^2 + 301840^2 .

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 3 ways as a sum of consecutive naturals, for example, 168949481 + ... + 168951816.

Almost surely, 2^394668714896 is an apocalyptic number.

It is an amenable number.

394668714896 is a deficient number, since it is larger than the sum of its proper divisors (380476862716).

394668714896 is a wasteful number, since it uses less digits than its factorization.

394668714896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337901378 (or 337901372 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 71.

The spelling of 394668714896 in words is "three hundred ninety-four billion, six hundred sixty-eight million, seven hundred fourteen thousand, eight hundred ninety-six".