14639812418 has 48 divisors (see below), whose sum is σ = 27973750464. Its totient is φ = 5682025440.

The previous prime is 14639812391. The next prime is 14639812457. The reversal of 14639812418 is 81421893641.

It is a happy number.

14639812418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 257696 + ... + 309332.

It is an arithmetic number, because the mean of its divisors is an integer number (582786468).

Almost surely, 2^14639812418 is an apocalyptic number.

14639812418 is a deficient number, since it is larger than the sum of its proper divisors (13333938046).

14639812418 is a wasteful number, since it uses less digits than its factorization.

14639812418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51927 (or 51920 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The spelling of 14639812418 in words is "fourteen billion, six hundred thirty-nine million, eight hundred twelve thousand, four hundred eighteen".