13600305531209 has 2 divisors, whose sum is σ = 13600305531210. Its totient is φ = 13600305531208.

The previous prime is 13600305531203. The next prime is 13600305531247. The reversal of 13600305531209 is 90213550300631.

It is an a-pointer prime, because the next prime (13600305531247) can be obtained adding 13600305531209 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7192051240000 + 6408254291209 = 2681800^2 + 2531453^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13600305531209 is a prime.

It is not a weakly prime, because it can be changed into another prime (13600305531203) 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, 6800152765604 + 6800152765605.

It is an arithmetic number, because the mean of its divisors is an integer number (6800152765605).

Almost surely, 2^{13600305531209} is an apocalyptic number.

It is an amenable number.

13600305531209 is a deficient number, since it is larger than the sum of its proper divisors (1).

13600305531209 is an equidigital number, since it uses as much as digits as its factorization.

13600305531209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 38.

The spelling of 13600305531209 in words is "thirteen trillion, six hundred billion, three hundred five million, five hundred thirty-one thousand, two hundred nine".