13044821009 has 8 divisors (see below), whose sum is σ = 14231658528. Its totient is φ = 11858140960.

The previous prime is 13044821003. The next prime is 13044821017. The reversal of 13044821009 is 90012844031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13044821009 - 2⁸ = 13044820753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13044821003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194054 + ... + 252480.

It is an arithmetic number, because the mean of its divisors is an integer number (1778957316).

Almost surely, 2^13044821009 is an apocalyptic number.

It is an amenable number.

13044821009 is a deficient number, since it is larger than the sum of its proper divisors (1186837519).

13044821009 is a wasteful number, since it uses less digits than its factorization.

13044821009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78735.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 13044821009 in words is "thirteen billion, forty-four million, eight hundred twenty-one thousand, nine".