14717129681 has 4 divisors (see below), whose sum is σ = 14958394164. Its totient is φ = 14475865200.

The previous prime is 14717129671. The next prime is 14717129683. The reversal of 14717129681 is 18692171741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8415310225 + 6301819456 = 91735^2 + 79384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14717129681 is a prime.

It is a super-2 number, since 2×14717129681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14717129683) 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 3 ways as a sum of consecutive naturals, for example, 120632150 + ... + 120632271.

It is an arithmetic number, because the mean of its divisors is an integer number (3739598541).

Almost surely, 2^14717129681 is an apocalyptic number.

It is an amenable number.

14717129681 is a deficient number, since it is larger than the sum of its proper divisors (241264483).

14717129681 is an equidigital number, since it uses as much as digits as its factorization.

14717129681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241264482.

The product of its digits is 169344, while the sum is 47.

The spelling of 14717129681 in words is "fourteen billion, seven hundred seventeen million, one hundred twenty-nine thousand, six hundred eighty-one".