12318789463 has 2 divisors, whose sum is σ = 12318789464. Its totient is φ = 12318789462.

The previous prime is 12318789383. The next prime is 12318789473. The reversal of 12318789463 is 36498781321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12318789463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12318789463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12318789473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6159394731 + 6159394732.

It is an arithmetic number, because the mean of its divisors is an integer number (6159394732).

Almost surely, 2^12318789463 is an apocalyptic number.

12318789463 is a deficient number, since it is larger than the sum of its proper divisors (1).

12318789463 is an equidigital number, since it uses as much as digits as its factorization.

12318789463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 52.

The spelling of 12318789463 in words is "twelve billion, three hundred eighteen million, seven hundred eighty-nine thousand, four hundred sixty-three".