12576010409 has 2 divisors, whose sum is σ = 12576010410. Its totient is φ = 12576010408.

The previous prime is 12576010379. The next prime is 12576010463. The reversal of 12576010409 is 90401067521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10033027225 + 2542983184 = 100165^2 + 50428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12576010409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12576010009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6288005204 + 6288005205.

It is an arithmetic number, because the mean of its divisors is an integer number (6288005205).

Almost surely, 2^12576010409 is an apocalyptic number.

It is an amenable number.

12576010409 is a deficient number, since it is larger than the sum of its proper divisors (1).

12576010409 is an equidigital number, since it uses as much as digits as its factorization.

12576010409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 12576010409 in words is "twelve billion, five hundred seventy-six million, ten thousand, four hundred nine".