14689225821 has 8 divisors (see below), whose sum is σ = 19586319040. Its totient is φ = 9792474912.

The previous prime is 14689225813. The next prime is 14689225843. The reversal of 14689225821 is 12852298641.

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

It is not a de Polignac number, because 14689225821 - 2³ = 14689225813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14689225891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41520 + ... + 176358.

It is an arithmetic number, because the mean of its divisors is an integer number (2448289880).

Almost surely, 2^14689225821 is an apocalyptic number.

It is an amenable number.

14689225821 is a deficient number, since it is larger than the sum of its proper divisors (4897093219).

14689225821 is a wasteful number, since it uses less digits than its factorization.

14689225821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171155.

The product of its digits is 552960, while the sum is 48.

The spelling of 14689225821 in words is "fourteen billion, six hundred eighty-nine million, two hundred twenty-five thousand, eight hundred twenty-one".