12418956049 has 2 divisors, whose sum is σ = 12418956050. Its totient is φ = 12418956048.

The previous prime is 12418955999. The next prime is 12418956157. The reversal of 12418956049 is 94065981421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12042867600 + 376088449 = 109740^2 + 19393^2 .

It is an emirp because it is prime and its reverse (94065981421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12418956049 - 2⁹ = 12418955537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12418955993 and 12418956011.

It is not a weakly prime, because it can be changed into another prime (12418951049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6209478024 + 6209478025.

It is an arithmetic number, because the mean of its divisors is an integer number (6209478025).

Almost surely, 2^12418956049 is an apocalyptic number.

It is an amenable number.

12418956049 is a deficient number, since it is larger than the sum of its proper divisors (1).

12418956049 is an equidigital number, since it uses as much as digits as its factorization.

12418956049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 12418956049 in words is "twelve billion, four hundred eighteen million, nine hundred fifty-six thousand, forty-nine".