14808712507681 has 3 divisors (see below), whose sum is σ = 14808716355891. Its totient is φ = 14808708659472.

The previous prime is 14808712507669. The next prime is 14808712507709. The reversal of 14808712507681 is 18670521780841.

The square root of 14808712507681 is 3848209.

It is a perfect power (a square), and thus also a powerful number.

14808712507681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 52973165281 + 14755739342400 = 230159^2 + 3841320^2 .

It is not a de Polignac number, because 14808712507681 - 2¹¹ = 14808712505633 is a prime.

It is a super-2 number, since 2×14808712507681² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14808712607681) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1924105 + ... + 5772313.

It is an arithmetic number, because the mean of its divisors is an integer number (4936238785297).

Almost surely, 2^{14808712507681} is an apocalyptic number.

14808712507681 is the 3848209-th square number.

14808712507681 is the 1924105-th centered octagonal number.

It is an amenable number.

14808712507681 is a deficient number, since it is larger than the sum of its proper divisors (3848210).

14808712507681 is an frugal number, since it uses more digits than its factorization.

14808712507681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7696418 (or 3848209 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 58.

The spelling of 14808712507681 in words is "fourteen trillion, eight hundred eight billion, seven hundred twelve million, five hundred seven thousand, six hundred eighty-one".