13543838884 has 9 divisors (see below), whose sum is σ = 23702125377. Its totient is φ = 6771803064.

The previous prime is 13543838881. The next prime is 13543838887. The reversal of 13543838884 is 48883834531.

The square root of 13543838884 is 116378.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (13543838881) and next prime (13543838887).

It can be written as a sum of positive squares in only one way, i.e., 1276061284 + 12267777600 = 35722^2 + 110760^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13543838881) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 203662 + ... + 261850.

Almost surely, 2^13543838884 is an apocalyptic number.

13543838884 is the 116378-th square number.

It is an amenable number.

13543838884 is a deficient number, since it is larger than the sum of its proper divisors (10158286493).

13543838884 is an frugal number, since it uses more digits than its factorization.

13543838884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116382 (or 58191 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 55.

The spelling of 13543838884 in words is "thirteen billion, five hundred forty-three million, eight hundred thirty-eight thousand, eight hundred eighty-four".