12417576949 has 2 divisors, whose sum is σ = 12417576950. Its totient is φ = 12417576948.

The previous prime is 12417576931. The next prime is 12417576991. The reversal of 12417576949 is 94967571421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9693780849 + 2723796100 = 98457^2 + 52190^2 .

It is an emirp because it is prime and its reverse (94967571421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12417576949 - 2²⁵ = 12384022517 is a prime.

It is a super-2 number, since 2×12417576949² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12417576949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12417576049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6208788474 + 6208788475.

It is an arithmetic number, because the mean of its divisors is an integer number (6208788475).

Almost surely, 2^12417576949 is an apocalyptic number.

It is an amenable number.

12417576949 is a deficient number, since it is larger than the sum of its proper divisors (1).

12417576949 is an equidigital number, since it uses as much as digits as its factorization.

12417576949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 55.

The spelling of 12417576949 in words is "twelve billion, four hundred seventeen million, five hundred seventy-six thousand, nine hundred forty-nine".