13343784500 has 96 divisors (see below), whose sum is σ = 31921737120. Its totient is φ = 4850227200.

The previous prime is 13343784499. The next prime is 13343784527. The reversal of 13343784500 is 548734331.

It can be written as a sum of positive squares in 16 ways, for example, as 11731922596 + 1611861904 = 108314^2 + 40148^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219434 + ... + 273566.

It is an arithmetic number, because the mean of its divisors is an integer number (332518095).

Almost surely, 2^13343784500 is an apocalyptic number.

13343784500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13343784500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15960868560).

13343784500 is an abundant number, since it is smaller than the sum of its proper divisors (18577952620).

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

13343784500 is a wasteful number, since it uses less digits than its factorization.

13343784500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54198 (or 54186 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 13343784500 in words is "thirteen billion, three hundred forty-three million, seven hundred eighty-four thousand, five hundred".