14005273538 has 8 divisors (see below), whose sum is σ = 21161253132. Its totient is φ = 6951522496.

The previous prime is 14005273537. The next prime is 14005273547. The reversal of 14005273538 is 83537250041.

It can be written as a sum of positive squares in 2 ways, for example, as 13706087329 + 299186209 = 117073^2 + 17297^2 .

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

It is a super-2 number, since 2×14005273538² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14005273531) 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, 25556795 + ... + 25557342.

Almost surely, 2^14005273538 is an apocalyptic number.

14005273538 is a deficient number, since it is larger than the sum of its proper divisors (7155979594).

14005273538 is a wasteful number, since it uses less digits than its factorization.

14005273538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51114276.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 14005273538 in words is "fourteen billion, five million, two hundred seventy-three thousand, five hundred thirty-eight".