4414421435321 has 2 divisors, whose sum is σ = 4414421435322. Its totient is φ = 4414421435320.

The previous prime is 4414421435299. The next prime is 4414421435399. The reversal of 4414421435321 is 1235341244144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2883411159721 + 1531010275600 = 1698061^2 + 1237340^2 .

It is a cyclic number.

It is not a de Polignac number, because 4414421435321 - 2²⁶ = 4414354326457 is a prime.

It is not a weakly prime, because it can be changed into another prime (4414421435621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2207210717660 + 2207210717661.

It is an arithmetic number, because the mean of its divisors is an integer number (2207210717661).

Almost surely, 2^{4414421435321} is an apocalyptic number.

It is an amenable number.

4414421435321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4414421435321 is an equidigital number, since it uses as much as digits as its factorization.

4414421435321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 184320, while the sum is 38.

Adding to 4414421435321 its reverse (1235341244144), we get a palindrome (5649762679465).

The spelling of 4414421435321 in words is "four trillion, four hundred fourteen billion, four hundred twenty-one million, four hundred thirty-five thousand, three hundred twenty-one".