18144306463 has 2 divisors, whose sum is σ = 18144306464. Its totient is φ = 18144306462.

The previous prime is 18144306461. The next prime is 18144306487. The reversal of 18144306463 is 36460344181.

It is a weak prime.

It is an emirp because it is prime and its reverse (36460344181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18144306463 - 2¹ = 18144306461 is a prime.

Together with 18144306461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18144306461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9072153231 + 9072153232.

It is an arithmetic number, because the mean of its divisors is an integer number (9072153232).

Almost surely, 2^18144306463 is an apocalyptic number.

18144306463 is a deficient number, since it is larger than the sum of its proper divisors (1).

18144306463 is an equidigital number, since it uses as much as digits as its factorization.

18144306463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 18144306463 in words is "eighteen billion, one hundred forty-four million, three hundred six thousand, four hundred sixty-three".