18424524839 has 12 divisors (see below), whose sum is σ = 21434885568. Its totient is φ = 15790773600.

The previous prime is 18424524793. The next prime is 18424524893. The reversal of 18424524839 is 93842542481.

It is not a de Polignac number, because 18424524839 - 2²⁴ = 18407747623 is a prime.

It is a super-3 number, since 3×18424524839³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18424524439) 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 11 ways as a sum of consecutive naturals, for example, 734474 + ... + 759144.

It is an arithmetic number, because the mean of its divisors is an integer number (1786240464).

Almost surely, 2^18424524839 is an apocalyptic number.

18424524839 is a deficient number, since it is larger than the sum of its proper divisors (3010360729).

18424524839 is a wasteful number, since it uses less digits than its factorization.

18424524839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39926 (or 39919 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 50.

The spelling of 18424524839 in words is "eighteen billion, four hundred twenty-four million, five hundred twenty-four thousand, eight hundred thirty-nine".