13660535410069 has 2 divisors, whose sum is σ = 13660535410070. Its totient is φ = 13660535410068.

The previous prime is 13660535410063. The next prime is 13660535410183. The reversal of 13660535410069 is 96001453506631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12241251562500 + 1419283847569 = 3498750^2 + 1191337^2 .

It is an emirp because it is prime and its reverse (96001453506631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13660535410069 - 2³ = 13660535410061 is a prime.

It is a super-2 number, since 2×13660535410069² (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 (13660535410061) 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, 6830267705034 + 6830267705035.

It is an arithmetic number, because the mean of its divisors is an integer number (6830267705035).

Almost surely, 2^{13660535410069} is an apocalyptic number.

It is an amenable number.

13660535410069 is a deficient number, since it is larger than the sum of its proper divisors (1).

13660535410069 is an equidigital number, since it uses as much as digits as its factorization.

13660535410069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1749600, while the sum is 49.

The spelling of 13660535410069 in words is "thirteen trillion, six hundred sixty billion, five hundred thirty-five million, four hundred ten thousand, sixty-nine".