18884701063 has 2 divisors, whose sum is σ = 18884701064. Its totient is φ = 18884701062.

The previous prime is 18884701051. The next prime is 18884701091. The reversal of 18884701063 is 36010748881.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18884701063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18884701163) 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, 9442350531 + 9442350532.

It is an arithmetic number, because the mean of its divisors is an integer number (9442350532).

Almost surely, 2^18884701063 is an apocalyptic number.

18884701063 is a deficient number, since it is larger than the sum of its proper divisors (1).

18884701063 is an equidigital number, since it uses as much as digits as its factorization.

18884701063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 18884701063 in words is "eighteen billion, eight hundred eighty-four million, seven hundred one thousand, sixty-three".