18763318633063 has 16 divisors (see below), whose sum is σ = 19425102660000. Its totient is φ = 18102523082112.

The previous prime is 18763318633019. The next prime is 18763318633091. The reversal of 18763318633063 is 36033681336781.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18763318633063 is a prime.

It is a super-2 number, since 2×18763318633063² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18763318632989 and 18763318633007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18763318633463) 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 in 15 ways as a sum of consecutive naturals, for example, 336310656 + ... + 336366442.

It is an arithmetic number, because the mean of its divisors is an integer number (1214068916250).

Almost surely, 2^{18763318633063} is an apocalyptic number.

18763318633063 is a deficient number, since it is larger than the sum of its proper divisors (661784026937).

18763318633063 is a wasteful number, since it uses less digits than its factorization.

18763318633063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64434.

The product of its (nonzero) digits is 23514624, while the sum is 58.

The spelling of 18763318633063 in words is "eighteen trillion, seven hundred sixty-three billion, three hundred eighteen million, six hundred thirty-three thousand, sixty-three".