13621550244 has 24 divisors (see below), whose sum is σ = 31786278048. Its totient is φ = 4540136640.

The previous prime is 13621550231. The next prime is 13621550263. The reversal of 13621550244 is 44205512631.

13621550244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 127624 + ... + 208640.

It is an arithmetic number, because the mean of its divisors is an integer number (1324428252).

Almost surely, 2^13621550244 is an apocalyptic number.

It is an amenable number.

13621550244 is an abundant number, since it is smaller than the sum of its proper divisors (18164727804).

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

13621550244 is a wasteful number, since it uses less digits than its factorization.

13621550244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95035 (or 95033 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 13621550244 in words is "thirteen billion, six hundred twenty-one million, five hundred fifty thousand, two hundred forty-four".