14443451999 has 4 divisors (see below), whose sum is σ = 14592353664. Its totient is φ = 14294550336.

The previous prime is 14443451959. The next prime is 14443452097. The reversal of 14443451999 is 99915434441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99915434441 = 6607 ⋅15122663.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14443451999 is a prime.

It is a super-3 number, since 3×14443451999³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14443451999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14443451959) 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, 74450687 + ... + 74450880.

It is an arithmetic number, because the mean of its divisors is an integer number (3648088416).

Almost surely, 2^14443451999 is an apocalyptic number.

14443451999 is a deficient number, since it is larger than the sum of its proper divisors (148901665).

14443451999 is an equidigital number, since it uses as much as digits as its factorization.

14443451999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148901664.

The product of its digits is 2799360, while the sum is 53.

The spelling of 14443451999 in words is "fourteen billion, four hundred forty-three million, four hundred fifty-one thousand, nine hundred ninety-nine".