13405435253269 has 2 divisors, whose sum is σ = 13405435253270. Its totient is φ = 13405435253268.

The previous prime is 13405435253173. The next prime is 13405435253293. The reversal of 13405435253269 is 96235253450431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10156248750769 + 3249186502500 = 3186887^2 + 1802550^2 .

It is an emirp because it is prime and its reverse (96235253450431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13405435253269 - 2²⁵ = 13405401698837 is a prime.

It is a super-2 number, since 2×13405435253269² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13405435253669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6702717626634 + 6702717626635.

It is an arithmetic number, because the mean of its divisors is an integer number (6702717626635).

Almost surely, 2^{13405435253269} is an apocalyptic number.

It is an amenable number.

13405435253269 is a deficient number, since it is larger than the sum of its proper divisors (1).

13405435253269 is an equidigital number, since it uses as much as digits as its factorization.

13405435253269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664000, while the sum is 52.

The spelling of 13405435253269 in words is "thirteen trillion, four hundred five billion, four hundred thirty-five million, two hundred fifty-three thousand, two hundred sixty-nine".