6642671179 has 4 divisors (see below), whose sum is σ = 6736230000. Its totient is φ = 6549112360.

The previous prime is 6642671177. The next prime is 6642671197. The reversal of 6642671179 is 9711762466.

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 6642671179 - 2¹ = 6642671177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6642671177) 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, 46779304 + ... + 46779445.

It is an arithmetic number, because the mean of its divisors is an integer number (1684057500).

Almost surely, 2^6642671179 is an apocalyptic number.

6642671179 is a deficient number, since it is larger than the sum of its proper divisors (93558821).

6642671179 is an equidigital number, since it uses as much as digits as its factorization.

6642671179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93558820.

The product of its digits is 762048, while the sum is 49.

The square root of 6642671179 is about 81502.5838792857. The cubic root of 6642671179 is about 1879.8112813245.

The spelling of 6642671179 in words is "six billion, six hundred forty-two million, six hundred seventy-one thousand, one hundred seventy-nine".