14739421638 has 8 divisors (see below), whose sum is σ = 29478843288. Its totient is φ = 4913140544.

The previous prime is 14739421601. The next prime is 14739421661. The reversal of 14739421638 is 83612493741.

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

14739421638 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228285131 + ... + 1228285142.

It is an arithmetic number, because the mean of its divisors is an integer number (3684855411).

Almost surely, 2^14739421638 is an apocalyptic number.

14739421638 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.

14739421638 is a wasteful number, since it uses less digits than its factorization.

14739421638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456570278.

The product of its digits is 870912, while the sum is 48.

The spelling of 14739421638 in words is "fourteen billion, seven hundred thirty-nine million, four hundred twenty-one thousand, six hundred thirty-eight".