6442052219 has 2 divisors, whose sum is σ = 6442052220. Its totient is φ = 6442052218.

The previous prime is 6442052213. The next prime is 6442052249. The reversal of 6442052219 is 9122502446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6442052219 - 2⁸ = 6442051963 is a prime.

It is a super-2 number, since 2×6442052219² = 83000073584645647922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6442052213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221026109 + 3221026110.

It is an arithmetic number, because the mean of its divisors is an integer number (3221026110).

Almost surely, 2^6442052219 is an apocalyptic number.

6442052219 is a deficient number, since it is larger than the sum of its proper divisors (1).

6442052219 is an equidigital number, since it uses as much as digits as its factorization.

6442052219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 6442052219 is about 80262.3960457199. The cubic root of 6442052219 is about 1860.6930992128.

The spelling of 6442052219 in words is "six billion, four hundred forty-two million, fifty-two thousand, two hundred nineteen".