14688548021 has 16 divisors (see below), whose sum is σ = 16828560000. Its totient is φ = 12558997248.

The previous prime is 14688548003. The next prime is 14688548033. The reversal of 14688548021 is 12084588641.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-14688548021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14688548041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6996830 + ... + 6998928.

It is an arithmetic number, because the mean of its divisors is an integer number (1051785000).

Almost surely, 2^14688548021 is an apocalyptic number.

It is an amenable number.

14688548021 is a deficient number, since it is larger than the sum of its proper divisors (2140011979).

14688548021 is a wasteful number, since it uses less digits than its factorization.

14688548021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108.

The product of its (nonzero) digits is 491520, while the sum is 47.

The spelling of 14688548021 in words is "fourteen billion, six hundred eighty-eight million, five hundred forty-eight thousand, twenty-one".