12489321419 has 2 divisors, whose sum is σ = 12489321420. Its totient is φ = 12489321418.

The previous prime is 12489321413. The next prime is 12489321463. The reversal of 12489321419 is 91412398421.

It is an a-pointer prime, because the next prime (12489321463) can be obtained adding 12489321419 to its sum of digits (44).

It is a weak prime.

It is an emirp because it is prime and its reverse (91412398421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12489321419 is a prime.

It is a super-2 number, since 2×12489321419² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12489321419.

It is not a weakly prime, because it can be changed into another prime (12489321413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6244660709 + 6244660710.

It is an arithmetic number, because the mean of its divisors is an integer number (6244660710).

Almost surely, 2^12489321419 is an apocalyptic number.

12489321419 is a deficient number, since it is larger than the sum of its proper divisors (1).

12489321419 is an equidigital number, since it uses as much as digits as its factorization.

12489321419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 44.

The spelling of 12489321419 in words is "twelve billion, four hundred eighty-nine million, three hundred twenty-one thousand, four hundred nineteen".