6711838447 has 4 divisors (see below), whose sum is σ = 6712746696. Its totient is φ = 6710930200.

The previous prime is 6711838439. The next prime is 6711838451. The reversal of 6711838447 is 7448381176.

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 6711838447 - 2³ = 6711838439 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 6711838447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6711838477) 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, 442948 + ... + 457849.

It is an arithmetic number, because the mean of its divisors is an integer number (1678186674).

Almost surely, 2^6711838447 is an apocalyptic number.

6711838447 is a deficient number, since it is larger than the sum of its proper divisors (908249).

6711838447 is an equidigital number, since it uses as much as digits as its factorization.

6711838447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908248.

The product of its digits is 903168, while the sum is 49.

The square root of 6711838447 is about 81925.8106276648. The cubic root of 6711838447 is about 1886.3133201468.

The spelling of 6711838447 in words is "six billion, seven hundred eleven million, eight hundred thirty-eight thousand, four hundred forty-seven".