13354734787117 has 2 divisors, whose sum is σ = 13354734787118. Its totient is φ = 13354734787116.

The previous prime is 13354734787099. The next prime is 13354734787139. The reversal of 13354734787117 is 71178743745331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10763838927241 + 2590895859876 = 3280829^2 + 1609626^2 .

It is an emirp because it is prime and its reverse (71178743745331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13354734787117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13354734787717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6677367393558 + 6677367393559.

It is an arithmetic number, because the mean of its divisors is an integer number (6677367393559).

Almost surely, 2^{13354734787117} is an apocalyptic number.

It is an amenable number.

13354734787117 is a deficient number, since it is larger than the sum of its proper divisors (1).

13354734787117 is an equidigital number, since it uses as much as digits as its factorization.

13354734787117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41489280, while the sum is 61.

The spelling of 13354734787117 in words is "thirteen trillion, three hundred fifty-four billion, seven hundred thirty-four million, seven hundred eighty-seven thousand, one hundred seventeen".