13218709463 has 2 divisors, whose sum is σ = 13218709464. Its totient is φ = 13218709462.

The previous prime is 13218709453. The next prime is 13218709513. The reversal of 13218709463 is 36490781231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13218709463 - 2¹⁰ = 13218708439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13218709423) 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, 6609354731 + 6609354732.

It is an arithmetic number, because the mean of its divisors is an integer number (6609354732).

Almost surely, 2^13218709463 is an apocalyptic number.

13218709463 is a deficient number, since it is larger than the sum of its proper divisors (1).

13218709463 is an equidigital number, since it uses as much as digits as its factorization.

13218709463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 13218709463 in words is "thirteen billion, two hundred eighteen million, seven hundred nine thousand, four hundred sixty-three".