12408480457 has 2 divisors, whose sum is σ = 12408480458. Its totient is φ = 12408480456.

The previous prime is 12408480451. The next prime is 12408480509. The reversal of 12408480457 is 75408480421.

12408480457 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., 12387467401 + 21013056 = 111299^2 + 4584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12408480457 is a prime.

It is not a weakly prime, because it can be changed into another prime (12408480451) 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, 6204240228 + 6204240229.

It is an arithmetic number, because the mean of its divisors is an integer number (6204240229).

Almost surely, 2^12408480457 is an apocalyptic number.

It is an amenable number.

12408480457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12408480457 is an equidigital number, since it uses as much as digits as its factorization.

12408480457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 286720, while the sum is 43.

The spelling of 12408480457 in words is "twelve billion, four hundred eight million, four hundred eighty thousand, four hundred fifty-seven".