13543552105469 has 2 divisors, whose sum is σ = 13543552105470. Its totient is φ = 13543552105468.

The previous prime is 13543552105453. The next prime is 13543552105471. The reversal of 13543552105469 is 96450125534531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12296678382244 + 1246873723225 = 3506662^2 + 1116635^2 .

It is a cyclic number.

It is not a de Polignac number, because 13543552105469 - 2⁴ = 13543552105453 is a prime.

It is a super-2 number, since 2×13543552105469² (a number of 27 digits) contains 22 as substring.

Together with 13543552105471, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13543552105469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13543552107469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6771776052734 + 6771776052735.

It is an arithmetic number, because the mean of its divisors is an integer number (6771776052735).

Almost surely, 2^{13543552105469} is an apocalyptic number.

It is an amenable number.

13543552105469 is a deficient number, since it is larger than the sum of its proper divisors (1).

13543552105469 is an equidigital number, since it uses as much as digits as its factorization.

13543552105469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720000, while the sum is 53.

The spelling of 13543552105469 in words is "thirteen trillion, five hundred forty-three billion, five hundred fifty-two million, one hundred five thousand, four hundred sixty-nine".