36167974729 has 2 divisors, whose sum is σ = 36167974730. Its totient is φ = 36167974728.

The previous prime is 36167974727. The next prime is 36167974849. The reversal of 36167974729 is 92747976163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35474969104 + 693005625 = 188348^2 + 26325^2 .

It is an emirp because it is prime and its reverse (92747976163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36167974729 - 2¹ = 36167974727 is a prime.

Together with 36167974727, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36167974721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18083987364 + 18083987365.

It is an arithmetic number, because the mean of its divisors is an integer number (18083987365).

Almost surely, 2^36167974729 is an apocalyptic number.

It is an amenable number.

36167974729 is a deficient number, since it is larger than the sum of its proper divisors (1).

36167974729 is an equidigital number, since it uses as much as digits as its factorization.

36167974729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24004512, while the sum is 61.

The spelling of 36167974729 in words is "thirty-six billion, one hundred sixty-seven million, nine hundred seventy-four thousand, seven hundred twenty-nine".