14258642440321 has 4 divisors (see below), whose sum is σ = 14258649996612. Its totient is φ = 14258634884032.

The previous prime is 14258642440313. The next prime is 14258642440351. The reversal of 14258642440321 is 12304424685241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4028470481025 + 10230171959296 = 2007105^2 + 3198464^2 .

It is a cyclic number.

It is not a de Polignac number, because 14258642440321 - 2³ = 14258642440313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14258642440351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1700901 + ... + 5604493.

It is an arithmetic number, because the mean of its divisors is an integer number (3564662499153).

Almost surely, 2^{14258642440321} is an apocalyptic number.

It is an amenable number.

14258642440321 is a deficient number, since it is larger than the sum of its proper divisors (7556291).

14258642440321 is an equidigital number, since it uses as much as digits as its factorization.

14258642440321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7556290.

The product of its (nonzero) digits is 1474560, while the sum is 46.

The spelling of 14258642440321 in words is "fourteen trillion, two hundred fifty-eight billion, six hundred forty-two million, four hundred forty thousand, three hundred twenty-one".