18424999338 has 8 divisors (see below), whose sum is σ = 36849998688. Its totient is φ = 6141666444.

The previous prime is 18424999337. The next prime is 18424999339. The reversal of 18424999338 is 83399942481.

It is an interprime number because it is at equal distance from previous prime (18424999337) and next prime (18424999339).

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

18424999338 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (18424999337) 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 3 ways as a sum of consecutive naturals, for example, 1535416606 + ... + 1535416617.

It is an arithmetic number, because the mean of its divisors is an integer number (4606249836).

Almost surely, 2^18424999338 is an apocalyptic number.

18424999338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18424999338 is a wasteful number, since it uses less digits than its factorization.

18424999338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070833228.

The product of its digits is 13436928, while the sum is 60.

The spelling of 18424999338 in words is "eighteen billion, four hundred twenty-four million, nine hundred ninety-nine thousand, three hundred thirty-eight".