12432410449 has 2 divisors, whose sum is σ = 12432410450. Its totient is φ = 12432410448.

The previous prime is 12432410401. The next prime is 12432410503. The reversal of 12432410449 is 94401423421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12408400449 + 24010000 = 111393^2 + 4900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12432410449 is a prime.

It is not a weakly prime, because it can be changed into another prime (12432410149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216205224 + 6216205225.

It is an arithmetic number, because the mean of its divisors is an integer number (6216205225).

Almost surely, 2^12432410449 is an apocalyptic number.

It is an amenable number.

12432410449 is a deficient number, since it is larger than the sum of its proper divisors (1).

12432410449 is an equidigital number, since it uses as much as digits as its factorization.

12432410449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 12432410449 in words is "twelve billion, four hundred thirty-two million, four hundred ten thousand, four hundred forty-nine".