4118909382447 has 4 divisors (see below), whose sum is σ = 5491879176600. Its totient is φ = 2745939588296.

The previous prime is 4118909382443. The next prime is 4118909382457. The reversal of 4118909382447 is 7442839098114.

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

It is a cyclic number.

It is not a de Polignac number, because 4118909382447 - 2² = 4118909382443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4118909382443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686484897072 + ... + 686484897077.

It is an arithmetic number, because the mean of its divisors is an integer number (1372969794150).

Almost surely, 2^{4118909382447} is an apocalyptic number.

4118909382447 is a deficient number, since it is larger than the sum of its proper divisors (1372969794153).

4118909382447 is a wasteful number, since it uses less digits than its factorization.

4118909382447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372969794152.

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 4118909382447 in words is "four trillion, one hundred eighteen billion, nine hundred nine million, three hundred eighty-two thousand, four hundred forty-seven".