12567488449 has 2 divisors, whose sum is σ = 12567488450. Its totient is φ = 12567488448.

The previous prime is 12567488411. The next prime is 12567488477. The reversal of 12567488449 is 94488476521.

12567488449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12529444225 + 38044224 = 111935^2 + 6168^2 .

It is an emirp because it is prime and its reverse (94488476521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12567488449 - 2¹¹ = 12567486401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12567488393 and 12567488402.

It is not a weakly prime, because it can be changed into another prime (12565488449) 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, 6283744224 + 6283744225.

It is an arithmetic number, because the mean of its divisors is an integer number (6283744225).

Almost surely, 2^12567488449 is an apocalyptic number.

It is an amenable number.

12567488449 is a deficient number, since it is larger than the sum of its proper divisors (1).

12567488449 is an equidigital number, since it uses as much as digits as its factorization.

12567488449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15482880, while the sum is 58.

The spelling of 12567488449 in words is "twelve billion, five hundred sixty-seven million, four hundred eighty-eight thousand, four hundred forty-nine".