14709808681 has 2 divisors, whose sum is σ = 14709808682. Its totient is φ = 14709808680.

The previous prime is 14709808651. The next prime is 14709808709. The reversal of 14709808681 is 18680890741.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14709808656 + 25 = 121284^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 14709808681 - 2¹⁹ = 14709284393 is a prime.

It is a super-2 number, since 2×14709808681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14709808651) 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 as a sum of consecutive naturals, namely, 7354904340 + 7354904341.

It is an arithmetic number, because the mean of its divisors is an integer number (7354904341).

Almost surely, 2^14709808681 is an apocalyptic number.

It is an amenable number.

14709808681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14709808681 is an equidigital number, since it uses as much as digits as its factorization.

14709808681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 52.

The spelling of 14709808681 in words is "fourteen billion, seven hundred nine million, eight hundred eight thousand, six hundred eighty-one".