12463240109 has 2 divisors, whose sum is σ = 12463240110. Its totient is φ = 12463240108.

The previous prime is 12463240091. The next prime is 12463240159. The reversal of 12463240109 is 90104236421.

Together with previous prime (12463240091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9191056900 + 3272183209 = 95870^2 + 57203^2 .

It is a cyclic number.

It is not a de Polignac number, because 12463240109 - 2³² = 8168272813 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12463240159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6231620054 + 6231620055.

It is an arithmetic number, because the mean of its divisors is an integer number (6231620055).

Almost surely, 2^12463240109 is an apocalyptic number.

It is an amenable number.

12463240109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12463240109 is an equidigital number, since it uses as much as digits as its factorization.

12463240109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 12463240109 in words is "twelve billion, four hundred sixty-three million, two hundred forty thousand, one hundred nine".