14461385681 has 2 divisors, whose sum is σ = 14461385682. Its totient is φ = 14461385680.

The previous prime is 14461385647. The next prime is 14461385711. The reversal of 14461385681 is 18658316441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12346765456 + 2114620225 = 111116^2 + 45985^2 .

It is a cyclic number.

It is not a de Polignac number, because 14461385681 - 2¹⁴ = 14461369297 is a prime.

It is a super-2 number, since 2×14461385681² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14461385611) 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 as a sum of consecutive naturals, namely, 7230692840 + 7230692841.

It is an arithmetic number, because the mean of its divisors is an integer number (7230692841).

Almost surely, 2^14461385681 is an apocalyptic number.

It is an amenable number.

14461385681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14461385681 is an equidigital number, since it uses as much as digits as its factorization.

14461385681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 47.

The spelling of 14461385681 in words is "fourteen billion, four hundred sixty-one million, three hundred eighty-five thousand, six hundred eighty-one".