36818066647 has 2 divisors, whose sum is σ = 36818066648. Its totient is φ = 36818066646.

The previous prime is 36818066633. The next prime is 36818066651. The reversal of 36818066647 is 74666081863.

It is a strong prime.

It is an emirp because it is prime and its reverse (74666081863) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36818066647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36818066627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18409033323 + 18409033324.

It is an arithmetic number, because the mean of its divisors is an integer number (18409033324).

Almost surely, 2^36818066647 is an apocalyptic number.

36818066647 is a deficient number, since it is larger than the sum of its proper divisors (1).

36818066647 is an equidigital number, since it uses as much as digits as its factorization.

36818066647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 36818066647 in words is "thirty-six billion, eight hundred eighteen million, sixty-six thousand, six hundred forty-seven".