12354544505593 has 2 divisors, whose sum is σ = 12354544505594. Its totient is φ = 12354544505592.

The previous prime is 12354544505591. The next prime is 12354544505609. The reversal of 12354544505593 is 39550544545321.

12354544505593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11348220538944 + 1006323966649 = 3368712^2 + 1003157^2 .

It is a cyclic number.

It is not a de Polignac number, because 12354544505593 - 2¹ = 12354544505591 is a prime.

Together with 12354544505591, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12354544505591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6177272252796 + 6177272252797.

It is an arithmetic number, because the mean of its divisors is an integer number (6177272252797).

Almost surely, 2^{12354544505593} is an apocalyptic number.

It is an amenable number.

12354544505593 is a deficient number, since it is larger than the sum of its proper divisors (1).

12354544505593 is an equidigital number, since it uses as much as digits as its factorization.

12354544505593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400000, while the sum is 55.

The spelling of 12354544505593 in words is "twelve trillion, three hundred fifty-four billion, five hundred forty-four million, five hundred five thousand, five hundred ninety-three".