13504400000009 has 2 divisors, whose sum is σ = 13504400000010. Its totient is φ = 13504400000008.

The previous prime is 13504399999999. The next prime is 13504400000027. The reversal of 13504400000009 is 90000000440531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11865303606025 + 1639096393984 = 3444605^2 + 1280272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13504400000009 is a prime.

It is not a weakly prime, because it can be changed into another prime (13504400000209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6752200000004 + 6752200000005.

It is an arithmetic number, because the mean of its divisors is an integer number (6752200000005).

Almost surely, 2^{13504400000009} is an apocalyptic number.

It is an amenable number.

13504400000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

13504400000009 is an equidigital number, since it uses as much as digits as its factorization.

13504400000009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 13504400000009 in words is "thirteen trillion, five hundred four billion, four hundred million, nine", and thus it is an aban number.