14791057447 has 4 divisors (see below), whose sum is σ = 14793348960. Its totient is φ = 14788765936.

The previous prime is 14791057441. The next prime is 14791057453. The reversal of 14791057447 is 74475019741.

14791057447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (14791057441) and next prime (14791057453).

It is a cyclic number.

It is not a de Polignac number, because 14791057447 - 2¹⁵ = 14791024679 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14791057447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14791057441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136047 + ... + 1148992.

It is an arithmetic number, because the mean of its divisors is an integer number (3698337240).

Almost surely, 2^14791057447 is an apocalyptic number.

14791057447 is a deficient number, since it is larger than the sum of its proper divisors (2291513).

14791057447 is an equidigital number, since it uses as much as digits as its factorization.

14791057447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291512.

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 14791057447 in words is "fourteen billion, seven hundred ninety-one million, fifty-seven thousand, four hundred forty-seven".