14404404119921 has 2 divisors, whose sum is σ = 14404404119922. Its totient is φ = 14404404119920.

The previous prime is 14404404119881. The next prime is 14404404119969. The reversal of 14404404119921 is 12991140440441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13008544573696 + 1395859546225 = 3606736^2 + 1181465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14404404119921 is a prime.

It is not a weakly prime, because it can be changed into another prime (14403404119921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7202202059960 + 7202202059961.

It is an arithmetic number, because the mean of its divisors is an integer number (7202202059961).

Almost surely, 2^{14404404119921} is an apocalyptic number.

It is an amenable number.

14404404119921 is a deficient number, since it is larger than the sum of its proper divisors (1).

14404404119921 is an equidigital number, since it uses as much as digits as its factorization.

14404404119921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 14404404119921 in words is "fourteen trillion, four hundred four billion, four hundred four million, one hundred nineteen thousand, nine hundred twenty-one".