12489321463 has 2 divisors, whose sum is σ = 12489321464. Its totient is φ = 12489321462.

The previous prime is 12489321419. The next prime is 12489321469. The reversal of 12489321463 is 36412398421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12489321463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12489321469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6244660731 + 6244660732.

It is an arithmetic number, because the mean of its divisors is an integer number (6244660732).

Almost surely, 2^12489321463 is an apocalyptic number.

12489321463 is a deficient number, since it is larger than the sum of its proper divisors (1).

12489321463 is an equidigital number, since it uses as much as digits as its factorization.

12489321463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 43.

The spelling of 12489321463 in words is "twelve billion, four hundred eighty-nine million, three hundred twenty-one thousand, four hundred sixty-three".