14539812638 has 8 divisors (see below), whose sum is σ = 23487389688. Its totient is φ = 6710682744.

The previous prime is 14539812631. The next prime is 14539812667. The reversal of 14539812638 is 83621893541.

It is a happy number.

14539812638 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×14539812638² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14539812631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279611756 + ... + 279611807.

It is an arithmetic number, because the mean of its divisors is an integer number (2935923711).

Almost surely, 2^14539812638 is an apocalyptic number.

14539812638 is a deficient number, since it is larger than the sum of its proper divisors (8947577050).

14539812638 is a wasteful number, since it uses less digits than its factorization.

14539812638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559223578.

The product of its digits is 1244160, while the sum is 50.

The spelling of 14539812638 in words is "fourteen billion, five hundred thirty-nine million, eight hundred twelve thousand, six hundred thirty-eight".