36686744506519 has 2 divisors, whose sum is σ = 36686744506520. Its totient is φ = 36686744506518.

The previous prime is 36686744506499. The next prime is 36686744506649. The reversal of 36686744506519 is 91560544768663.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36686744506519 is a prime.

It is a super-2 number, since 2×36686744506519² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36686744906519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18343372253259 + 18343372253260.

It is an arithmetic number, because the mean of its divisors is an integer number (18343372253260).

Almost surely, 2^{36686744506519} is an apocalyptic number.

36686744506519 is a deficient number, since it is larger than the sum of its proper divisors (1).

36686744506519 is an equidigital number, since it uses as much as digits as its factorization.

36686744506519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 783820800, while the sum is 70.

The spelling of 36686744506519 in words is "thirty-six trillion, six hundred eighty-six billion, seven hundred forty-four million, five hundred six thousand, five hundred nineteen".