16218459263 has 2 divisors, whose sum is σ = 16218459264. Its totient is φ = 16218459262.

The previous prime is 16218459259. The next prime is 16218459277. The reversal of 16218459263 is 36295481261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16218459263 - 2² = 16218459259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16218459203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8109229631 + 8109229632.

It is an arithmetic number, because the mean of its divisors is an integer number (8109229632).

Almost surely, 2^16218459263 is an apocalyptic number.

16218459263 is a deficient number, since it is larger than the sum of its proper divisors (1).

16218459263 is an equidigital number, since it uses as much as digits as its factorization.

16218459263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 47.

The spelling of 16218459263 in words is "sixteen billion, two hundred eighteen million, four hundred fifty-nine thousand, two hundred sixty-three".