12506474459 has 2 divisors, whose sum is σ = 12506474460. Its totient is φ = 12506474458.

The previous prime is 12506474413. The next prime is 12506474471. The reversal of 12506474459 is 95447460521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12506474459 - 2¹⁶ = 12506408923 is a prime.

It is not a weakly prime, because it can be changed into another prime (12506474359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6253237229 + 6253237230.

It is an arithmetic number, because the mean of its divisors is an integer number (6253237230).

Almost surely, 2^12506474459 is an apocalyptic number.

12506474459 is a deficient number, since it is larger than the sum of its proper divisors (1).

12506474459 is an equidigital number, since it uses as much as digits as its factorization.

12506474459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 12506474459 in words is "twelve billion, five hundred six million, four hundred seventy-four thousand, four hundred fifty-nine".