14663345728 has 56 divisors (see below), whose sum is σ = 29496422592. Its totient is φ = 7231471104.

The previous prime is 14663345701. The next prime is 14663345731. The reversal of 14663345728 is 82754336641.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3859926 + ... + 3863722.

It is an arithmetic number, because the mean of its divisors is an integer number (526721832).

Almost surely, 2^14663345728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14663345728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14748211296).

14663345728 is an abundant number, since it is smaller than the sum of its proper divisors (14833076864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14663345728 is an equidigital number, since it uses as much as digits as its factorization.

14663345728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619 (or 4609 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 49.

The spelling of 14663345728 in words is "fourteen billion, six hundred sixty-three million, three hundred forty-five thousand, seven hundred twenty-eight".