14477844821 has 8 divisors (see below), whose sum is σ = 15794904288. Its totient is φ = 13160934000.

The previous prime is 14477844779. The next prime is 14477844869. The reversal of 14477844821 is 12844877441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14477844821 - 2²⁶ = 14410735957 is a prime.

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 14477844821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14477844721) 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 7 ways as a sum of consecutive naturals, for example, 297851 + ... + 343031.

It is an arithmetic number, because the mean of its divisors is an integer number (1974363036).

Almost surely, 2^14477844821 is an apocalyptic number.

14477844821 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14477844821 is a deficient number, since it is larger than the sum of its proper divisors (1317059467).

14477844821 is a wasteful number, since it uses less digits than its factorization.

14477844821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74323.

The product of its digits is 1605632, while the sum is 50.

The spelling of 14477844821 in words is "fourteen billion, four hundred seventy-seven million, eight hundred forty-four thousand, eight hundred twenty-one".