36217885671937 has 2 divisors, whose sum is σ = 36217885671938. Its totient is φ = 36217885671936.

The previous prime is 36217885671881. The next prime is 36217885671941. The reversal of 36217885671937 is 73917658871263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18430613161921 + 17787272510016 = 4293089^2 + 4217496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36217885671937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36217885671937.

It is not a weakly prime, because it can be changed into another prime (36217885681937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18108942835968 + 18108942835969.

It is an arithmetic number, because the mean of its divisors is an integer number (18108942835969).

Almost surely, 2^{36217885671937} is an apocalyptic number.

It is an amenable number.

36217885671937 is a deficient number, since it is larger than the sum of its proper divisors (1).

36217885671937 is an equidigital number, since it uses as much as digits as its factorization.

36217885671937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 640120320, while the sum is 73.

The spelling of 36217885671937 in words is "thirty-six trillion, two hundred seventeen billion, eight hundred eighty-five million, six hundred seventy-one thousand, nine hundred thirty-seven".