36612188573 has 2 divisors, whose sum is σ = 36612188574. Its totient is φ = 36612188572.

The previous prime is 36612188551. The next prime is 36612188677. The reversal of 36612188573 is 37588121663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28421576569 + 8190612004 = 168587^2 + 90502^2 .

It is an emirp because it is prime and its reverse (37588121663) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36612188573 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36612188773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18306094286 + 18306094287.

It is an arithmetic number, because the mean of its divisors is an integer number (18306094287).

Almost surely, 2^36612188573 is an apocalyptic number.

It is an amenable number.

36612188573 is a deficient number, since it is larger than the sum of its proper divisors (1).

36612188573 is an equidigital number, since it uses as much as digits as its factorization.

36612188573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The spelling of 36612188573 in words is "thirty-six billion, six hundred twelve million, one hundred eighty-eight thousand, five hundred seventy-three".