21036303623696 has 20 divisors (see below), whose sum is σ = 41215791512700. Its totient is φ = 10399970330112.

The previous prime is 21036303623659. The next prime is 21036303623711. The reversal of 21036303623696 is 69632630363012.

It can be written as a sum of positive squares in 2 ways, for example, as 7118031905296 + 13918271718400 = 2667964^2 + 3730720^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7386341141 + ... + 7386343988.

It is an arithmetic number, because the mean of its divisors is an integer number (2060789575635).

Almost surely, 2^{21036303623696} is an apocalyptic number.

It is an amenable number.

21036303623696 is a deficient number, since it is larger than the sum of its proper divisors (20179487889004).

21036303623696 is a wasteful number, since it uses less digits than its factorization.

21036303623696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14772685226 (or 14772685220 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 50.

The spelling of 21036303623696 in words is "twenty-one trillion, thirty-six billion, three hundred three million, six hundred twenty-three thousand, six hundred ninety-six".