12416454238109 has 2 divisors, whose sum is σ = 12416454238110. Its totient is φ = 12416454238108.

The previous prime is 12416454238091. The next prime is 12416454238117. The reversal of 12416454238109 is 90183245461421.

Together with previous prime (12416454238091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7772442168100 + 4644012070009 = 2787910^2 + 2154997^2 .

It is a cyclic number.

It is not a de Polignac number, because 12416454238109 - 2²⁴ = 12416437460893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12416454235109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6208227119054 + 6208227119055.

It is an arithmetic number, because the mean of its divisors is an integer number (6208227119055).

Almost surely, 2^{12416454238109} is an apocalyptic number.

It is an amenable number.

12416454238109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12416454238109 is an equidigital number, since it uses as much as digits as its factorization.

12416454238109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 12416454238109 in words is "twelve trillion, four hundred sixteen billion, four hundred fifty-four million, two hundred thirty-eight thousand, one hundred nine".