13040321412409 has 2 divisors, whose sum is σ = 13040321412410. Its totient is φ = 13040321412408.

The previous prime is 13040321412353. The next prime is 13040321412463. The reversal of 13040321412409 is 90421412304031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9046830762025 + 3993490650384 = 3007795^2 + 1998372^2 .

It is a cyclic number.

It is not a de Polignac number, because 13040321412409 - 2⁷ = 13040321412281 is a prime.

It is not a weakly prime, because it can be changed into another prime (13040321412709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6520160706204 + 6520160706205.

It is an arithmetic number, because the mean of its divisors is an integer number (6520160706205).

Almost surely, 2^{13040321412409} is an apocalyptic number.

It is an amenable number.

13040321412409 is a deficient number, since it is larger than the sum of its proper divisors (1).

13040321412409 is an equidigital number, since it uses as much as digits as its factorization.

13040321412409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 13040321412409 in words is "thirteen trillion, forty billion, three hundred twenty-one million, four hundred twelve thousand, four hundred nine".