14444040323021 has 2 divisors, whose sum is σ = 14444040323022. Its totient is φ = 14444040323020.

The previous prime is 14444040322997. The next prime is 14444040323023. The reversal of 14444040323021 is 12032304044441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13965991152100 + 478049170921 = 3737110^2 + 691411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14444040323021 is a prime.

Together with 14444040323023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14444040323023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7222020161510 + 7222020161511.

It is an arithmetic number, because the mean of its divisors is an integer number (7222020161511).

Almost surely, 2^{14444040323021} is an apocalyptic number.

It is an amenable number.

14444040323021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14444040323021 is an equidigital number, since it uses as much as digits as its factorization.

14444040323021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 14444040323021 its reverse (12032304044441), we get a palindrome (26476344367462).

The spelling of 14444040323021 in words is "fourteen trillion, four hundred forty-four billion, forty million, three hundred twenty-three thousand, twenty-one".