36378953223817 has 2 divisors, whose sum is σ = 36378953223818. Its totient is φ = 36378953223816.

The previous prime is 36378953223791. The next prime is 36378953223941. The reversal of 36378953223817 is 71832235987363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36047247492096 + 331705731721 = 6003936^2 + 575939^2 .

It is a cyclic number.

It is not a de Polignac number, because 36378953223817 - 2¹¹ = 36378953221769 is a prime.

It is not a weakly prime, because it can be changed into another prime (36378953263817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18189476611908 + 18189476611909.

It is an arithmetic number, because the mean of its divisors is an integer number (18189476611909).

Almost surely, 2^{36378953223817} is an apocalyptic number.

It is an amenable number.

36378953223817 is a deficient number, since it is larger than the sum of its proper divisors (1).

36378953223817 is an equidigital number, since it uses as much as digits as its factorization.

36378953223817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 274337280, while the sum is 67.

The spelling of 36378953223817 in words is "thirty-six trillion, three hundred seventy-eight billion, nine hundred fifty-three million, two hundred twenty-three thousand, eight hundred seventeen".