6491068447 has 8 divisors (see below), whose sum is σ = 6540733280. Its totient is φ = 6441569280.

The previous prime is 6491068427. The next prime is 6491068453. The reversal of 6491068447 is 7448601946.

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

It is a cyclic number.

It is not a de Polignac number, because 6491068447 - 2⁷ = 6491068319 is a prime.

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 6491068447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6491068427) 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 7 ways as a sum of consecutive naturals, for example, 37822 + ... + 120052.

It is an arithmetic number, because the mean of its divisors is an integer number (817591660).

Almost surely, 2^6491068447 is an apocalyptic number.

6491068447 is a deficient number, since it is larger than the sum of its proper divisors (49664833).

6491068447 is a wasteful number, since it uses less digits than its factorization.

6491068447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82833.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 6491068447 is about 80567.1673015751. The cubic root of 6491068447 is about 1865.4003886077.

The spelling of 6491068447 in words is "six billion, four hundred ninety-one million, sixty-eight thousand, four hundred forty-seven".