13604781345224 has 8 divisors (see below), whose sum is σ = 25508965022310. Its totient is φ = 6802390672608.

The previous prime is 13604781345179. The next prime is 13604781345289. The reversal of 13604781345224 is 42254318740631.

It can be written as a sum of positive squares in only one way, i.e., 13600532652100 + 4248693124 = 3687890^2 + 65182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13604781345224² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 850298834069 + ... + 850298834084.

Almost surely, 2^{13604781345224} is an apocalyptic number.

It is an amenable number.

13604781345224 is a deficient number, since it is larger than the sum of its proper divisors (11904183677086).

13604781345224 is a wasteful number, since it uses less digits than its factorization.

13604781345224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700597668159 (or 1700597668155 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 13604781345224 in words is "thirteen trillion, six hundred four billion, seven hundred eighty-one million, three hundred forty-five thousand, two hundred twenty-four".