18285830093 has 16 divisors (see below), whose sum is σ = 19290835200. Its totient is φ = 17298762624.

The previous prime is 18285830077. The next prime is 18285830111. The reversal of 18285830093 is 39003858281.

It is a cyclic number.

It is not a de Polignac number, because 18285830093 - 2⁴ = 18285830077 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18285830053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016233 + ... + 2025281.

It is an arithmetic number, because the mean of its divisors is an integer number (1205677200).

Almost surely, 2^18285830093 is an apocalyptic number.

It is an amenable number.

18285830093 is a deficient number, since it is larger than the sum of its proper divisors (1005005107).

18285830093 is a wasteful number, since it uses less digits than its factorization.

18285830093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10028.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 18285830093 in words is "eighteen billion, two hundred eighty-five million, eight hundred thirty thousand, ninety-three".