14684225721 has 32 divisors (see below), whose sum is σ = 21760972800. Its totient is φ = 8733225600.

The previous prime is 14684225707. The next prime is 14684225723. The reversal of 14684225721 is 12752248641.

It is not a de Polignac number, because 14684225721 - 2¹⁹ = 14683701433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14684225723) 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 31 ways as a sum of consecutive naturals, for example, 464076 + ... + 494706.

It is an arithmetic number, because the mean of its divisors is an integer number (680030400).

Almost surely, 2^14684225721 is an apocalyptic number.

14684225721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14684225721 is a deficient number, since it is larger than the sum of its proper divisors (7076747079).

14684225721 is a wasteful number, since it uses less digits than its factorization.

14684225721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30917.

The product of its digits is 215040, while the sum is 42.

The spelling of 14684225721 in words is "fourteen billion, six hundred eighty-four million, two hundred twenty-five thousand, seven hundred twenty-one".