16245744326563 has 2 divisors, whose sum is σ = 16245744326564. Its totient is φ = 16245744326562.

The previous prime is 16245744326561. The next prime is 16245744326627. The reversal of 16245744326563 is 36562344754261.

It is a weak prime.

It is an emirp because it is prime and its reverse (36562344754261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16245744326563 - 2¹ = 16245744326561 is a prime.

Together with 16245744326561, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16245744326498 and 16245744326507.

It is not a weakly prime, because it can be changed into another prime (16245744326561) 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, 8122872163281 + 8122872163282.

It is an arithmetic number, because the mean of its divisors is an integer number (8122872163282).

Almost surely, 2^{16245744326563} is an apocalyptic number.

16245744326563 is a deficient number, since it is larger than the sum of its proper divisors (1).

16245744326563 is an equidigital number, since it uses as much as digits as its factorization.

16245744326563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87091200, while the sum is 58.

The spelling of 16245744326563 in words is "sixteen trillion, two hundred forty-five billion, seven hundred forty-four million, three hundred twenty-six thousand, five hundred sixty-three".