13344224978 has 30 divisors (see below), whose sum is σ = 23365020471. Its totient is φ = 5715522876.

The previous prime is 13344224977. The next prime is 13344224983. The reversal of 13344224978 is 87942244331.

13344224978 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 only one way, i.e., 6672112489 + 6672112489 = 81683^2 + 81683^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=81683.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13344224977) 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 14 ways as a sum of consecutive naturals, for example, 8004101 + ... + 8005767.

Almost surely, 2^13344224978 is an apocalyptic number.

13344224978 is a deficient number, since it is larger than the sum of its proper divisors (10020795493).

13344224978 is an frugal number, since it uses more digits than its factorization.

13344224978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364 (or 1676 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 47.

The spelling of 13344224978 in words is "thirteen billion, three hundred forty-four million, two hundred twenty-four thousand, nine hundred seventy-eight".