12441433997 has 2 divisors, whose sum is σ = 12441433998. Its totient is φ = 12441433996.

The previous prime is 12441433987. The next prime is 12441434009. The reversal of 12441433997 is 79933414421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11754679561 + 686754436 = 108419^2 + 26206^2 .

It is a cyclic number.

It is not a de Polignac number, because 12441433997 - 2¹² = 12441429901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12441433987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6220716998 + 6220716999.

It is an arithmetic number, because the mean of its divisors is an integer number (6220716999).

Almost surely, 2^12441433997 is an apocalyptic number.

It is an amenable number.

12441433997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12441433997 is an equidigital number, since it uses as much as digits as its factorization.

12441433997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The spelling of 12441433997 in words is "twelve billion, four hundred forty-one million, four hundred thirty-three thousand, nine hundred ninety-seven".