394667543324 has 6 divisors (see below), whose sum is σ = 690668200824. Its totient is φ = 197333771660.

The previous prime is 394667543311. The next prime is 394667543359. The reversal of 394667543324 is 423345766493.

It is a self number, because there is not a number n which added to its sum of digits gives 394667543324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49333442912 + ... + 49333442919.

It is an arithmetic number, because the mean of its divisors is an integer number (115111366804).

Almost surely, 2^394667543324 is an apocalyptic number.

It is an amenable number.

394667543324 is a deficient number, since it is larger than the sum of its proper divisors (296000657500).

394667543324 is a wasteful number, since it uses less digits than its factorization.

394667543324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98666885835 (or 98666885833 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 56.

The spelling of 394667543324 in words is "three hundred ninety-four billion, six hundred sixty-seven million, five hundred forty-three thousand, three hundred twenty-four".