36216899478817 has 2 divisors, whose sum is σ = 36216899478818. Its totient is φ = 36216899478816.

The previous prime is 36216899478811. The next prime is 36216899478923. The reversal of 36216899478817 is 71887499861263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21055213251216 + 15161686227601 = 4588596^2 + 3893801^2 .

It is a cyclic number.

It is not a de Polignac number, because 36216899478817 - 2⁴³ = 27420806456609 is a prime.

It is not a weakly prime, because it can be changed into another prime (36216899478811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18108449739408 + 18108449739409.

It is an arithmetic number, because the mean of its divisors is an integer number (18108449739409).

Almost surely, 2^{36216899478817} is an apocalyptic number.

It is an amenable number.

36216899478817 is a deficient number, since it is larger than the sum of its proper divisors (1).

36216899478817 is an equidigital number, since it uses as much as digits as its factorization.

36216899478817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1755758592, while the sum is 79.

The spelling of 36216899478817 in words is "thirty-six trillion, two hundred sixteen billion, eight hundred ninety-nine million, four hundred seventy-eight thousand, eight hundred seventeen".