36816229729 has 2 divisors, whose sum is σ = 36816229730. Its totient is φ = 36816229728.

The previous prime is 36816229721. The next prime is 36816229753. The reversal of 36816229729 is 92792261863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28612399104 + 8203830625 = 169152^2 + 90575^2 .

It is a cyclic number.

It is not a de Polignac number, because 36816229729 - 2³ = 36816229721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36816229729.

It is not a weakly prime, because it can be changed into another prime (36816229721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18408114864 + 18408114865.

It is an arithmetic number, because the mean of its divisors is an integer number (18408114865).

Almost surely, 2^36816229729 is an apocalyptic number.

It is an amenable number.

36816229729 is a deficient number, since it is larger than the sum of its proper divisors (1).

36816229729 is an equidigital number, since it uses as much as digits as its factorization.

36816229729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 55.

The spelling of 36816229729 in words is "thirty-six billion, eight hundred sixteen million, two hundred twenty-nine thousand, seven hundred twenty-nine".