36736133981 has 2 divisors, whose sum is σ = 36736133982. Its totient is φ = 36736133980.

The previous prime is 36736133957. The next prime is 36736134053. The reversal of 36736133981 is 18933163763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34776655225 + 1959478756 = 186485^2 + 44266^2 .

It is an emirp because it is prime and its reverse (18933163763) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36736133981 is a prime.

It is a super-2 number, since 2×36736133981² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36736133881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18368066990 + 18368066991.

It is an arithmetic number, because the mean of its divisors is an integer number (18368066991).

Almost surely, 2^36736133981 is an apocalyptic number.

It is an amenable number.

36736133981 is a deficient number, since it is larger than the sum of its proper divisors (1).

36736133981 is an equidigital number, since it uses as much as digits as its factorization.

36736133981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 50.

The spelling of 36736133981 in words is "thirty-six billion, seven hundred thirty-six million, one hundred thirty-three thousand, nine hundred eighty-one".