36508065173 has 2 divisors, whose sum is σ = 36508065174. Its totient is φ = 36508065172.

The previous prime is 36508065161. The next prime is 36508065203. The reversal of 36508065173 is 37156080563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36380984644 + 127080529 = 190738^2 + 11273^2 .

It is a cyclic number.

It is not a de Polignac number, because 36508065173 - 2¹² = 36508061077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36508065073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18254032586 + 18254032587.

It is an arithmetic number, because the mean of its divisors is an integer number (18254032587).

Almost surely, 2^36508065173 is an apocalyptic number.

It is an amenable number.

36508065173 is a deficient number, since it is larger than the sum of its proper divisors (1).

36508065173 is an equidigital number, since it uses as much as digits as its factorization.

36508065173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 36508065173 in words is "thirty-six billion, five hundred eight million, sixty-five thousand, one hundred seventy-three".