12449073073 has 2 divisors, whose sum is σ = 12449073074. Its totient is φ = 12449073072.

The previous prime is 12449073071. The next prime is 12449073083. The reversal of 12449073073 is 37037094421.

12449073073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12388357809 + 60715264 = 111303^2 + 7792^2 .

It is a cyclic number.

It is not a de Polignac number, because 12449073073 - 2¹ = 12449073071 is a prime.

Together with 12449073071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12449073071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6224536536 + 6224536537.

It is an arithmetic number, because the mean of its divisors is an integer number (6224536537).

Almost surely, 2^12449073073 is an apocalyptic number.

It is an amenable number.

12449073073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12449073073 is an equidigital number, since it uses as much as digits as its factorization.

12449073073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 12449073073 in words is "twelve billion, four hundred forty-nine million, seventy-three thousand, seventy-three".