12415260409 has 2 divisors, whose sum is σ = 12415260410. Its totient is φ = 12415260408.

The previous prime is 12415260391. The next prime is 12415260449. The reversal of 12415260409 is 90406251421.

12415260409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11682367225 + 732893184 = 108085^2 + 27072^2 .

It is a cyclic number.

It is not a de Polignac number, because 12415260409 - 2⁷ = 12415260281 is a prime.

It is not a weakly prime, because it can be changed into another prime (12415260449) 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 as a sum of consecutive naturals, namely, 6207630204 + 6207630205.

It is an arithmetic number, because the mean of its divisors is an integer number (6207630205).

Almost surely, 2^12415260409 is an apocalyptic number.

It is an amenable number.

12415260409 is a deficient number, since it is larger than the sum of its proper divisors (1).

12415260409 is an equidigital number, since it uses as much as digits as its factorization.

12415260409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 12415260409 in words is "twelve billion, four hundred fifteen million, two hundred sixty thousand, four hundred nine".