14729802721 has 16 divisors (see below), whose sum is σ = 15349340160. Its totient is φ = 14124314880.

The previous prime is 14729802713. The next prime is 14729802727. The reversal of 14729802721 is 12720892741.

It is a cyclic number.

It is not a de Polignac number, because 14729802721 - 2³ = 14729802713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14729802727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712101 + ... + 732493.

It is an arithmetic number, because the mean of its divisors is an integer number (959333760).

Almost surely, 2^14729802721 is an apocalyptic number.

It is an amenable number.

14729802721 is a deficient number, since it is larger than the sum of its proper divisors (619537439).

14729802721 is a wasteful number, since it uses less digits than its factorization.

14729802721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20736.

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 14729802721 in words is "fourteen billion, seven hundred twenty-nine million, eight hundred two thousand, seven hundred twenty-one".