6442852279 has 2 divisors, whose sum is σ = 6442852280. Its totient is φ = 6442852278.

The previous prime is 6442852277. The next prime is 6442852319. The reversal of 6442852279 is 9722582446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6442852279 - 2¹ = 6442852277 is a prime.

Together with 6442852277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6442852277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221426139 + 3221426140.

It is an arithmetic number, because the mean of its divisors is an integer number (3221426140).

Almost surely, 2^6442852279 is an apocalyptic number.

6442852279 is a deficient number, since it is larger than the sum of its proper divisors (1).

6442852279 is an equidigital number, since it uses as much as digits as its factorization.

6442852279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 49.

The square root of 6442852279 is about 80267.3799186195. The cubic root of 6442852279 is about 1860.7701245896.

The spelling of 6442852279 in words is "six billion, four hundred forty-two million, eight hundred fifty-two thousand, two hundred seventy-nine".