6644111713 has 8 divisors (see below), whose sum is σ = 6786968832. Its totient is φ = 6501316896.

The previous prime is 6644111701. The next prime is 6644111723. The reversal of 6644111713 is 3171114466.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6644111713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6644111723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246981 + ... + 272557.

It is an arithmetic number, because the mean of its divisors is an integer number (848371104).

Almost surely, 2^6644111713 is an apocalyptic number.

It is an amenable number.

6644111713 is a deficient number, since it is larger than the sum of its proper divisors (142857119).

6644111713 is a wasteful number, since it uses less digits than its factorization.

6644111713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31151.

The product of its digits is 12096, while the sum is 34.

The square root of 6644111713 is about 81511.4207519413. The cubic root of 6644111713 is about 1879.9471572027.

The spelling of 6644111713 in words is "six billion, six hundred forty-four million, one hundred eleven thousand, seven hundred thirteen".