18864650346003 has 24 divisors (see below), whose sum is σ = 33972703654656. Its totient is φ = 9799818361200.

The previous prime is 18864650346001. The next prime is 18864650346043. The reversal of 18864650346003 is 30064305646881.

18864650346003 is a `hidden beast` number, since 18 + 8 + 64 + 6 + 503 + 4 + 60 + 0 + 3 = 666.

It is not a de Polignac number, because 18864650346003 - 2¹ = 18864650346001 is a prime.

It is a super-2 number, since 2×18864650346003² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18864650346001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13610858143 + ... + 13610859528.

It is an arithmetic number, because the mean of its divisors is an integer number (1415529318944).

Almost surely, 2^{18864650346003} is an apocalyptic number.

18864650346003 is a deficient number, since it is larger than the sum of its proper divisors (15108053308653).

18864650346003 is a wasteful number, since it uses less digits than its factorization.

18864650346003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27221717695 (or 27221717692 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 18864650346003 in words is "eighteen trillion, eight hundred sixty-four billion, six hundred fifty million, three hundred forty-six thousand, three".