14506561463609 has 2 divisors, whose sum is σ = 14506561463610. Its totient is φ = 14506561463608.

The previous prime is 14506561463593. The next prime is 14506561463663. The reversal of 14506561463609 is 90636416560541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7768010023225 + 6738551440384 = 2787115^2 + 2595872^2 .

It is an emirp because it is prime and its reverse (90636416560541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14506561463609 - 2⁴ = 14506561463593 is a prime.

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 (14506561463809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7253280731804 + 7253280731805.

It is an arithmetic number, because the mean of its divisors is an integer number (7253280731805).

Almost surely, 2^{14506561463609} is an apocalyptic number.

It is an amenable number.

14506561463609 is a deficient number, since it is larger than the sum of its proper divisors (1).

14506561463609 is an equidigital number, since it uses as much as digits as its factorization.

14506561463609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13996800, while the sum is 56.

The spelling of 14506561463609 in words is "fourteen trillion, five hundred six billion, five hundred sixty-one million, four hundred sixty-three thousand, six hundred nine".