321894641304 has 64 divisors (see below), whose sum is σ = 895288406400. Its totient is φ = 107161818912.

The previous prime is 321894641297. The next prime is 321894641309. The reversal of 321894641304 is 403146498123.

321894641304 is a `hidden beast` number, since 3 + 2 + 189 + 464 + 1 + 3 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 321894641304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321894641309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776802 + ... + 1116785.

It is an arithmetic number, because the mean of its divisors is an integer number (13988881350).

Almost surely, 2^321894641304 is an apocalyptic number.

It is an amenable number.

321894641304 is an abundant number, since it is smaller than the sum of its proper divisors (573393765096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321894641304 is a wasteful number, since it uses less digits than its factorization.

321894641304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894389 (or 1894379 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 321894641304 in words is "three hundred twenty-one billion, eight hundred ninety-four million, six hundred forty-one thousand, three hundred four".