36728136433 has 4 divisors (see below), whose sum is σ = 37350647280. Its totient is φ = 36105625588.

The previous prime is 36728136397. The next prime is 36728136479. The reversal of 36728136433 is 33463182763.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36728136433 - 2⁹ = 36728135921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36728136233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311255335 + ... + 311255452.

It is an arithmetic number, because the mean of its divisors is an integer number (9337661820).

Almost surely, 2^36728136433 is an apocalyptic number.

It is an amenable number.

36728136433 is a deficient number, since it is larger than the sum of its proper divisors (622510847).

36728136433 is an equidigital number, since it uses as much as digits as its factorization.

36728136433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622510846.

The product of its digits is 1306368, while the sum is 46.

The spelling of 36728136433 in words is "thirty-six billion, seven hundred twenty-eight million, one hundred thirty-six thousand, four hundred thirty-three".