18431050514 has 64 divisors (see below), whose sum is σ = 30838579200. Its totient is φ = 8221989888.

The previous prime is 18431050513. The next prime is 18431050553. The reversal of 18431050514 is 41505013481.

It is not an unprimeable number, because it can be changed into a prime (18431050513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12897152 + ... + 12898580.

It is an arithmetic number, because the mean of its divisors is an integer number (481852800).

Almost surely, 2^18431050514 is an apocalyptic number.

18431050514 is a deficient number, since it is larger than the sum of its proper divisors (12407528686).

18431050514 is a wasteful number, since it uses less digits than its factorization.

18431050514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 18431050514 its reverse (41505013481), we get a palindrome (59936063995).

The spelling of 18431050514 in words is "eighteen billion, four hundred thirty-one million, fifty thousand, five hundred fourteen".