13600355640461 has 2 divisors, whose sum is σ = 13600355640462. Its totient is φ = 13600355640460.

The previous prime is 13600355640407. The next prime is 13600355640583. The reversal of 13600355640461 is 16404655300631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10157568164836 + 3442787475625 = 3187094^2 + 1855475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13600355640461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13600355640401) 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, 6800177820230 + 6800177820231.

It is an arithmetic number, because the mean of its divisors is an integer number (6800177820231).

Almost surely, 2^{13600355640461} is an apocalyptic number.

It is an amenable number.

13600355640461 is a deficient number, since it is larger than the sum of its proper divisors (1).

13600355640461 is an equidigital number, since it uses as much as digits as its factorization.

13600355640461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 13600355640461 in words is "thirteen trillion, six hundred billion, three hundred fifty-five million, six hundred forty thousand, four hundred sixty-one".