18283819243 has 8 divisors (see below), whose sum is σ = 19377776880. Its totient is φ = 17191910400.

The previous prime is 18283819241. The next prime is 18283819261. The reversal of 18283819243 is 34291838281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18283819243 - 2¹ = 18283819241 is a prime.

It is a super-2 number, since 2×18283819243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18283819241) 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 7 ways as a sum of consecutive naturals, for example, 493798 + ... + 529531.

It is an arithmetic number, because the mean of its divisors is an integer number (2422222110).

Almost surely, 2^18283819243 is an apocalyptic number.

18283819243 is a deficient number, since it is larger than the sum of its proper divisors (1093957637).

18283819243 is a wasteful number, since it uses less digits than its factorization.

18283819243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024397.

The product of its digits is 663552, while the sum is 49.

The spelling of 18283819243 in words is "eighteen billion, two hundred eighty-three million, eight hundred nineteen thousand, two hundred forty-three".