14508172947 has 4 divisors (see below), whose sum is σ = 19344230600. Its totient is φ = 9672115296.

The previous prime is 14508172937. The next prime is 14508172999. The reversal of 14508172947 is 74927180541.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-14508172947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14508172896 and 14508172905.

It is not an unprimeable number, because it can be changed into a prime (14508172927) 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, 2418028822 + ... + 2418028827.

It is an arithmetic number, because the mean of its divisors is an integer number (4836057650).

Almost surely, 2^14508172947 is an apocalyptic number.

14508172947 is a deficient number, since it is larger than the sum of its proper divisors (4836057653).

14508172947 is an equidigital number, since it uses as much as digits as its factorization.

14508172947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836057652.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 14508172947 in words is "fourteen billion, five hundred eight million, one hundred seventy-two thousand, nine hundred forty-seven".