12473270809 has 2 divisors, whose sum is σ = 12473270810. Its totient is φ = 12473270808.

The previous prime is 12473270791. The next prime is 12473270813. The reversal of 12473270809 is 90807237421.

12473270809 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., 8995574025 + 3477696784 = 94845^2 + 58972^2 .

It is a cyclic number.

It is not a de Polignac number, because 12473270809 - 2¹³ = 12473262617 is a prime.

It is not a weakly prime, because it can be changed into another prime (12473270869) 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, 6236635404 + 6236635405.

It is an arithmetic number, because the mean of its divisors is an integer number (6236635405).

Almost surely, 2^12473270809 is an apocalyptic number.

It is an amenable number.

12473270809 is a deficient number, since it is larger than the sum of its proper divisors (1).

12473270809 is an equidigital number, since it uses as much as digits as its factorization.

12473270809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 12473270809 in words is "twelve billion, four hundred seventy-three million, two hundred seventy thousand, eight hundred nine".