12424511849 has 2 divisors, whose sum is σ = 12424511850. Its totient is φ = 12424511848.

The previous prime is 12424511821. The next prime is 12424511851. The reversal of 12424511849 is 94811542421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10741871449 + 1682640400 = 103643^2 + 41020^2 .

It is an emirp because it is prime and its reverse (94811542421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12424511849 is a prime.

Together with 12424511851, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12424511809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212255924 + 6212255925.

It is an arithmetic number, because the mean of its divisors is an integer number (6212255925).

Almost surely, 2^12424511849 is an apocalyptic number.

It is an amenable number.

12424511849 is a deficient number, since it is larger than the sum of its proper divisors (1).

12424511849 is an equidigital number, since it uses as much as digits as its factorization.

12424511849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 41.

The spelling of 12424511849 in words is "twelve billion, four hundred twenty-four million, five hundred eleven thousand, eight hundred forty-nine".