12416799149 has 2 divisors, whose sum is σ = 12416799150. Its totient is φ = 12416799148.

The previous prime is 12416799127. The next prime is 12416799151. The reversal of 12416799149 is 94199761421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10944925924 + 1471873225 = 104618^2 + 38365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12416799149 is a prime.

It is a super-2 number, since 2×12416799149² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 12416799151, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12416799149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12416799049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6208399574 + 6208399575.

It is an arithmetic number, because the mean of its divisors is an integer number (6208399575).

Almost surely, 2^12416799149 is an apocalyptic number.

It is an amenable number.

12416799149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12416799149 is an equidigital number, since it uses as much as digits as its factorization.

12416799149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 53.

The spelling of 12416799149 in words is "twelve billion, four hundred sixteen million, seven hundred ninety-nine thousand, one hundred forty-nine".