36681029203439 has 2 divisors, whose sum is σ = 36681029203440. Its totient is φ = 36681029203438.

The previous prime is 36681029203369. The next prime is 36681029203447. The reversal of 36681029203439 is 93430292018663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36681029203439 - 2³² = 36676734236143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36681029203459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18340514601719 + 18340514601720.

It is an arithmetic number, because the mean of its divisors is an integer number (18340514601720).

Almost surely, 2^{36681029203439} is an apocalyptic number.

36681029203439 is a deficient number, since it is larger than the sum of its proper divisors (1).

36681029203439 is an equidigital number, since it uses as much as digits as its factorization.

36681029203439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10077696, while the sum is 56.

The spelling of 36681029203439 in words is "thirty-six trillion, six hundred eighty-one billion, twenty-nine million, two hundred three thousand, four hundred thirty-nine".