12504869009 has 2 divisors, whose sum is σ = 12504869010. Its totient is φ = 12504869008.

The previous prime is 12504868973. The next prime is 12504869081. The reversal of 12504869009 is 90096840521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10991425600 + 1513443409 = 104840^2 + 38903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12504869009 is a prime.

It is not a weakly prime, because it can be changed into another prime (12504869089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6252434504 + 6252434505.

It is an arithmetic number, because the mean of its divisors is an integer number (6252434505).

Almost surely, 2^12504869009 is an apocalyptic number.

It is an amenable number.

12504869009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12504869009 is an equidigital number, since it uses as much as digits as its factorization.

12504869009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 12504869009 in words is "twelve billion, five hundred four million, eight hundred sixty-nine thousand, nine".