36803650817 has 2 divisors, whose sum is σ = 36803650818. Its totient is φ = 36803650816.

The previous prime is 36803650799. The next prime is 36803650867. The reversal of 36803650817 is 71805630863.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32588914576 + 4214736241 = 180524^2 + 64921^2 .

It is a cyclic number.

It is not a de Polignac number, because 36803650817 - 2⁸ = 36803650561 is a prime.

It is not a weakly prime, because it can be changed into another prime (36803650867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18401825408 + 18401825409.

It is an arithmetic number, because the mean of its divisors is an integer number (18401825409).

Almost surely, 2^36803650817 is an apocalyptic number.

It is an amenable number.

36803650817 is a deficient number, since it is larger than the sum of its proper divisors (1).

36803650817 is an equidigital number, since it uses as much as digits as its factorization.

36803650817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 36803650817 in words is "thirty-six billion, eight hundred three million, six hundred fifty thousand, eight hundred seventeen".