186744101716813 has 2 divisors, whose sum is σ = 186744101716814. Its totient is φ = 186744101716812.

The previous prime is 186744101716763. The next prime is 186744101716883. The reversal of 186744101716813 is 318617101447681.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132411900519369 + 54332201197444 = 11507037^2 + 7371038^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-186744101716813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (186744101716883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93372050858406 + 93372050858407.

It is an arithmetic number, because the mean of its divisors is an integer number (93372050858407).

Almost surely, 2^{186744101716813} is an apocalyptic number.

It is an amenable number.

186744101716813 is a deficient number, since it is larger than the sum of its proper divisors (1).

186744101716813 is an equidigital number, since it uses as much as digits as its factorization.

186744101716813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5419008, while the sum is 58.

The spelling of 186744101716813 in words is "one hundred eighty-six trillion, seven hundred forty-four billion, one hundred one million, seven hundred sixteen thousand, eight hundred thirteen".