12573515893 has 2 divisors, whose sum is σ = 12573515894. Its totient is φ = 12573515892.

The previous prime is 12573515881. The next prime is 12573515909. The reversal of 12573515893 is 39851537521.

It is a happy number.

12573515893 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., 7574743089 + 4998772804 = 87033^2 + 70702^2 .

It is a cyclic number.

It is not a de Polignac number, because 12573515893 - 2¹⁷ = 12573384821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12573515803) 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, 6286757946 + 6286757947.

It is an arithmetic number, because the mean of its divisors is an integer number (6286757947).

Almost surely, 2^12573515893 is an apocalyptic number.

It is an amenable number.

12573515893 is a deficient number, since it is larger than the sum of its proper divisors (1).

12573515893 is an equidigital number, since it uses as much as digits as its factorization.

12573515893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134000, while the sum is 49.

The spelling of 12573515893 in words is "twelve billion, five hundred seventy-three million, five hundred fifteen thousand, eight hundred ninety-three".