3636981068723 has 4 divisors (see below), whose sum is σ = 3637026456648. Its totient is φ = 3636935680800.

The previous prime is 3636981068689. The next prime is 3636981068753. The reversal of 3636981068723 is 3278601896363.

3636981068723 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3636981068723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3636981068753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22573553 + ... + 22734098.

It is an arithmetic number, because the mean of its divisors is an integer number (909256614162).

Almost surely, 2^{3636981068723} is an apocalyptic number.

3636981068723 is a deficient number, since it is larger than the sum of its proper divisors (45387925).

3636981068723 is an equidigital number, since it uses as much as digits as its factorization.

3636981068723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45387924.

The product of its (nonzero) digits is 47029248, while the sum is 62.

The spelling of 3636981068723 in words is "three trillion, six hundred thirty-six billion, nine hundred eighty-one million, sixty-eight thousand, seven hundred twenty-three".