14012751721 has 16 divisors (see below), whose sum is σ = 15196420800. Its totient is φ = 12869595648.

The previous prime is 14012751713. The next prime is 14012751737. The reversal of 14012751721 is 12715721041.

It is a cyclic number.

It is not a de Polignac number, because 14012751721 - 2³ = 14012751713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14012751751) 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 15 ways as a sum of consecutive naturals, for example, 816810 + ... + 833788.

It is an arithmetic number, because the mean of its divisors is an integer number (949776300).

Almost surely, 2^14012751721 is an apocalyptic number.

It is an amenable number.

14012751721 is a deficient number, since it is larger than the sum of its proper divisors (1183669079).

14012751721 is a wasteful number, since it uses less digits than its factorization.

14012751721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18168.

The product of its (nonzero) digits is 3920, while the sum is 31.

The spelling of 14012751721 in words is "fourteen billion, twelve million, seven hundred fifty-one thousand, seven hundred twenty-one".