4321321404321 has 16 divisors (see below), whose sum is σ = 5844016788480. Its totient is φ = 2839768802640.

The previous prime is 4321321404277. The next prime is 4321321404349. The reversal of 4321321404321 is 1234041231234.

It is not a de Polignac number, because 4321321404321 - 2²⁵ = 4321287849889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4321321404371) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 783331 + ... + 3042408.

It is an arithmetic number, because the mean of its divisors is an integer number (365251049280).

Almost surely, 2^{4321321404321} is an apocalyptic number.

It is an amenable number.

4321321404321 is a deficient number, since it is larger than the sum of its proper divisors (1522695384159).

4321321404321 is a wasteful number, since it uses less digits than its factorization.

4321321404321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831116.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 4321321404321 its reverse (1234041231234), we get a palindrome (5555362635555).

The spelling of 4321321404321 in words is "four trillion, three hundred twenty-one billion, three hundred twenty-one million, four hundred four thousand, three hundred twenty-one".