36565551193 has 2 divisors, whose sum is σ = 36565551194. Its totient is φ = 36565551192.

The previous prime is 36565551163. The next prime is 36565551199. The reversal of 36565551193 is 39115556563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30138001609 + 6427549584 = 173603^2 + 80172^2 .

It is an emirp because it is prime and its reverse (39115556563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36565551193 - 2³³ = 27975616601 is a prime.

It is not a weakly prime, because it can be changed into another prime (36565551199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18282775596 + 18282775597.

It is an arithmetic number, because the mean of its divisors is an integer number (18282775597).

Almost surely, 2^36565551193 is an apocalyptic number.

It is an amenable number.

36565551193 is a deficient number, since it is larger than the sum of its proper divisors (1).

36565551193 is an equidigital number, since it uses as much as digits as its factorization.

36565551193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1822500, while the sum is 49.

The spelling of 36565551193 in words is "thirty-six billion, five hundred sixty-five million, five hundred fifty-one thousand, one hundred ninety-three".