12642521483 has 2 divisors, whose sum is σ = 12642521484. Its totient is φ = 12642521482.

The previous prime is 12642521477. The next prime is 12642521491. The reversal of 12642521483 is 38412524621.

12642521483 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 is a cyclic number.

It is not a de Polignac number, because 12642521483 - 2³⁰ = 11568779659 is a prime.

It is not a weakly prime, because it can be changed into another prime (12642521183) 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, 6321260741 + 6321260742.

It is an arithmetic number, because the mean of its divisors is an integer number (6321260742).

Almost surely, 2^12642521483 is an apocalyptic number.

12642521483 is a deficient number, since it is larger than the sum of its proper divisors (1).

12642521483 is an equidigital number, since it uses as much as digits as its factorization.

12642521483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 38.

The spelling of 12642521483 in words is "twelve billion, six hundred forty-two million, five hundred twenty-one thousand, four hundred eighty-three".