18684136341 has 24 divisors (see below), whose sum is σ = 29122548000. Its totient is φ = 11474852256.

The previous prime is 18684136313. The next prime is 18684136351. The reversal of 18684136341 is 14363148681.

18684136341 is a `hidden beast` number, since 1 + 8 + 6 + 8 + 4 + 1 + 3 + 634 + 1 = 666.

It is not a de Polignac number, because 18684136341 - 2²² = 18679942037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18684136301) 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, 101631 + ... + 218396.

It is an arithmetic number, because the mean of its divisors is an integer number (1213439500).

Almost surely, 2^18684136341 is an apocalyptic number.

It is an amenable number.

18684136341 is a deficient number, since it is larger than the sum of its proper divisors (10438411659).

18684136341 is a wasteful number, since it uses less digits than its factorization.

18684136341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320545 (or 320542 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The spelling of 18684136341 in words is "eighteen billion, six hundred eighty-four million, one hundred thirty-six thousand, three hundred forty-one".