18324827135 has 4 divisors (see below), whose sum is σ = 21989792568. Its totient is φ = 14659861704.

The previous prime is 18324827111. The next prime is 18324827137. The reversal of 18324827135 is 53172842381.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18324827135 - 2⁸ = 18324826879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18324827137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1832482709 + ... + 1832482718.

It is an arithmetic number, because the mean of its divisors is an integer number (5497448142).

Almost surely, 2^18324827135 is an apocalyptic number.

18324827135 is a deficient number, since it is larger than the sum of its proper divisors (3664965433).

18324827135 is an equidigital number, since it uses as much as digits as its factorization.

18324827135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664965432.

The product of its digits is 322560, while the sum is 44.

The spelling of 18324827135 in words is "eighteen billion, three hundred twenty-four million, eight hundred twenty-seven thousand, one hundred thirty-five".