14639424671 has 4 divisors (see below), whose sum is σ = 14776241832. Its totient is φ = 14502607512.

The previous prime is 14639424649. The next prime is 14639424677. The reversal of 14639424671 is 17642493641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17642493641 = 16703 ⋅1056247.

It is a cyclic number.

It is not a de Polignac number, because 14639424671 - 2³⁰ = 13565682847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14639424677) by changing a digit.

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, 68408420 + ... + 68408633.

It is an arithmetic number, because the mean of its divisors is an integer number (3694060458).

Almost surely, 2^14639424671 is an apocalyptic number.

14639424671 is a deficient number, since it is larger than the sum of its proper divisors (136817161).

14639424671 is a wasteful number, since it uses less digits than its factorization.

14639424671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136817160.

The product of its digits is 870912, while the sum is 47.

The spelling of 14639424671 in words is "fourteen billion, six hundred thirty-nine million, four hundred twenty-four thousand, six hundred seventy-one".