13323809816 has 32 divisors (see below), whose sum is σ = 25665659040. Its totient is φ = 6479751168.

The previous prime is 13323809813. The next prime is 13323809861. The reversal of 13323809816 is 61890832331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13323809813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304120 + ... + 1314296.

It is an arithmetic number, because the mean of its divisors is an integer number (802051845).

Almost surely, 2^13323809816 is an apocalyptic number.

It is an amenable number.

13323809816 is a deficient number, since it is larger than the sum of its proper divisors (12341849224).

13323809816 is a wasteful number, since it uses less digits than its factorization.

13323809816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14643 (or 14639 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 13323809816 in words is "thirteen billion, three hundred twenty-three million, eight hundred nine thousand, eight hundred sixteen".