14518344238557 has 16 divisors (see below), whose sum is σ = 19723223374848. Its totient is φ = 9496184143680.

The previous prime is 14518344238553. The next prime is 14518344238589. The reversal of 14518344238557 is 75583244381541.

It is not a de Polignac number, because 14518344238557 - 2² = 14518344238553 is a prime.

It is a super-2 number, since 2×14518344238557² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14518344238557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14518344238553) 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 in 15 ways as a sum of consecutive naturals, for example, 18782403 + ... + 19540095.

It is an arithmetic number, because the mean of its divisors is an integer number (1232701460928).

Almost surely, 2^{14518344238557} is an apocalyptic number.

It is an amenable number.

14518344238557 is a deficient number, since it is larger than the sum of its proper divisors (5204879136291).

14518344238557 is a wasteful number, since it uses less digits than its factorization.

14518344238557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878260.

The product of its digits is 64512000, while the sum is 60.

The spelling of 14518344238557 in words is "fourteen trillion, five hundred eighteen billion, three hundred forty-four million, two hundred thirty-eight thousand, five hundred fifty-seven".