13323445650 has 96 divisors (see below), whose sum is σ = 36743719680. Its totient is φ = 3549994560.

The previous prime is 13323445643. The next prime is 13323445661. The reversal of 13323445650 is 5654432331.

13323445650 is a `hidden beast` number, since 1 + 33 + 23 + 44 + 565 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2004132 + ... + 2010768.

It is an arithmetic number, because the mean of its divisors is an integer number (382747080).

Almost surely, 2^13323445650 is an apocalyptic number.

13323445650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13323445650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18371859840).

13323445650 is an abundant number, since it is smaller than the sum of its proper divisors (23420274030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13323445650 is a wasteful number, since it uses less digits than its factorization.

13323445650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8145 (or 8134 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 13323445650 its reverse (5654432331), we get a palindrome (18977877981).

The spelling of 13323445650 in words is "thirteen billion, three hundred twenty-three million, four hundred forty-five thousand, six hundred fifty".