13721035884 has 24 divisors (see below), whose sum is σ = 32156795328. Its totient is φ = 4553529360.

The previous prime is 13721035883. The next prime is 13721035949. The reversal of 13721035884 is 48853012731.

13721035884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13721035884² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13721035883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2515822 + ... + 2521269.

It is an arithmetic number, because the mean of its divisors is an integer number (1339866472).

Almost surely, 2^13721035884 is an apocalyptic number.

It is an amenable number.

13721035884 is an abundant number, since it is smaller than the sum of its proper divisors (18435759444).

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

13721035884 is a wasteful number, since it uses less digits than its factorization.

13721035884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037325 (or 5037323 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 13721035884 in words is "thirteen billion, seven hundred twenty-one million, thirty-five thousand, eight hundred eighty-four".