14454681819 has 16 divisors (see below), whose sum is σ = 19510751232. Its totient is φ = 9517600928.

The previous prime is 14454681803. The next prime is 14454681833. The reversal of 14454681819 is 91818645441.

It is a cyclic number.

It is not a de Polignac number, because 14454681819 - 2⁴ = 14454681803 is a prime.

It is a super-2 number, since 2×14454681819² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14454681119) 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, 1208422 + ... + 1220324.

It is an arithmetic number, because the mean of its divisors is an integer number (1219421952).

Almost surely, 2^14454681819 is an apocalyptic number.

14454681819 is a deficient number, since it is larger than the sum of its proper divisors (5056069413).

14454681819 is a wasteful number, since it uses less digits than its factorization.

14454681819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16866.

The product of its digits is 1105920, while the sum is 51.

The spelling of 14454681819 in words is "fourteen billion, four hundred fifty-four million, six hundred eighty-one thousand, eight hundred nineteen".