213323502016636 has 24 divisors (see below), whose sum is σ = 407347429947696. Its totient is φ = 96942973057920.

The previous prime is 213323502016511. The next prime is 213323502016643. The reversal of 213323502016636 is 636610205323312.

It is a junction number, because it is equal to n+sod(n) for n = 213323502016592 and 213323502016601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556184401 + ... + 556567816.

It is an arithmetic number, because the mean of its divisors is an integer number (16972809581154).

Almost surely, 2^{213323502016636} is an apocalyptic number.

It is an amenable number.

213323502016636 is a deficient number, since it is larger than the sum of its proper divisors (194023927931060).

213323502016636 is a wasteful number, since it uses less digits than its factorization.

213323502016636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112756589 (or 1112756587 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 43.

Adding to 213323502016636 its reverse (636610205323312), we get a palindrome (849933707339948).

The spelling of 213323502016636 in words is "two hundred thirteen trillion, three hundred twenty-three billion, five hundred two million, sixteen thousand, six hundred thirty-six".