36646646458273 has 2 divisors, whose sum is σ = 36646646458274. Its totient is φ = 36646646458272.

The previous prime is 36646646458271. The next prime is 36646646458327. The reversal of 36646646458273 is 37285464664663.

Together with next prime (36646646458327) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22717501298944 + 13929145159329 = 4766288^2 + 3732177^2 .

It is an emirp because it is prime and its reverse (37285464664663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36646646458273 - 2¹ = 36646646458271 is a prime.

Together with 36646646458271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36646646458271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18323323229136 + 18323323229137.

It is an arithmetic number, because the mean of its divisors is an integer number (18323323229137).

Almost surely, 2^{36646646458273} is an apocalyptic number.

It is an amenable number.

36646646458273 is a deficient number, since it is larger than the sum of its proper divisors (1).

36646646458273 is an equidigital number, since it uses as much as digits as its factorization.

36646646458273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2508226560, while the sum is 70.

The spelling of 36646646458273 in words is "thirty-six trillion, six hundred forty-six billion, six hundred forty-six million, four hundred fifty-eight thousand, two hundred seventy-three".