18838232648307 has 6 divisors (see below), whose sum is σ = 27210780492012. Its totient is φ = 12558821765532.

The previous prime is 18838232648293. The next prime is 18838232648317. The reversal of 18838232648307 is 70384623283881.

18838232648307 is a `hidden beast` number, since 1 + 8 + 8 + 38 + 232 + 64 + 8 + 307 = 666.

It is not a de Polignac number, because 18838232648307 - 2³⁰ = 18837158906483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18838232648317) 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 5 ways as a sum of consecutive naturals, for example, 1046568480453 + ... + 1046568480470.

It is an arithmetic number, because the mean of its divisors is an integer number (4535130082002).

Almost surely, 2^{18838232648307} is an apocalyptic number.

18838232648307 is a deficient number, since it is larger than the sum of its proper divisors (8372547843705).

18838232648307 is a wasteful number, since it uses less digits than its factorization.

18838232648307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093136960929 (or 2093136960926 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 63.

The spelling of 18838232648307 in words is "eighteen trillion, eight hundred thirty-eight billion, two hundred thirty-two million, six hundred forty-eight thousand, three hundred seven".