12804049253 has 2 divisors, whose sum is σ = 12804049254. Its totient is φ = 12804049252.

The previous prime is 12804049249. The next prime is 12804049259. The reversal of 12804049253 is 35294040821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11405812804 + 1398236449 = 106798^2 + 37393^2 .

It is a cyclic number.

It is not a de Polignac number, because 12804049253 - 2² = 12804049249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12804049259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6402024626 + 6402024627.

It is an arithmetic number, because the mean of its divisors is an integer number (6402024627).

Almost surely, 2^12804049253 is an apocalyptic number.

It is an amenable number.

12804049253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12804049253 is an equidigital number, since it uses as much as digits as its factorization.

12804049253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 12804049253 in words is "twelve billion, eight hundred four million, forty-nine thousand, two hundred fifty-three".