13621144484 has 12 divisors (see below), whose sum is σ = 23838856524. Its totient is φ = 6810042624.

The previous prime is 13621144483. The next prime is 13621144487. The reversal of 13621144484 is 48444112631.

13621144484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12618028900 + 1003115584 = 112330^2 + 31672^2 .

It is not an unprimeable number, because it can be changed into a prime (13621144483) 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 3 ways as a sum of consecutive naturals, for example, 71417 + ... + 179840.

It is an arithmetic number, because the mean of its divisors is an integer number (1986571377).

Almost surely, 2^13621144484 is an apocalyptic number.

It is an amenable number.

13621144484 is a deficient number, since it is larger than the sum of its proper divisors (10217712040).

13621144484 is a wasteful number, since it uses less digits than its factorization.

13621144484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264814 (or 264812 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The spelling of 13621144484 in words is "thirteen billion, six hundred twenty-one million, one hundred forty-four thousand, four hundred eighty-four".