321806800004 has 12 divisors (see below), whose sum is σ = 563269471884. Its totient is φ = 160872665184.

The previous prime is 321806799947. The next prime is 321806800043. The reversal of 321806800004 is 400008608123.

It can be written as a sum of positive squares in 2 ways, for example, as 306207289600 + 15599510404 = 553360^2 + 124898^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7660139 + ... + 7702034.

It is an arithmetic number, because the mean of its divisors is an integer number (46939122657).

Almost surely, 2^321806800004 is an apocalyptic number.

It is an amenable number.

321806800004 is a deficient number, since it is larger than the sum of its proper divisors (241462671880).

321806800004 is a wasteful number, since it uses less digits than its factorization.

321806800004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15367414 (or 15367412 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 321806800004 in words is "three hundred twenty-one billion, eight hundred six million, eight hundred thousand, four".