6642688483 has 4 divisors (see below), whose sum is σ = 6650900280. Its totient is φ = 6634476688.

The previous prime is 6642688471. The next prime is 6642688529. The reversal of 6642688483 is 3848862466.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6642688483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6642688183) 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, 4104685 + ... + 4106302.

It is an arithmetic number, because the mean of its divisors is an integer number (1662725070).

Almost surely, 2^6642688483 is an apocalyptic number.

6642688483 is a deficient number, since it is larger than the sum of its proper divisors (8211797).

6642688483 is an equidigital number, since it uses as much as digits as its factorization.

6642688483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8211796.

The product of its digits is 10616832, while the sum is 55.

The square root of 6642688483 is about 81502.6900353602. The cubic root of 6642688483 is about 1879.8129136109.

The spelling of 6642688483 in words is "six billion, six hundred forty-two million, six hundred eighty-eight thousand, four hundred eighty-three".