6449619233 has 2 divisors, whose sum is σ = 6449619234. Its totient is φ = 6449619232.

The previous prime is 6449619203. The next prime is 6449619247. The reversal of 6449619233 is 3329169446.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5803849489 + 645769744 = 76183^2 + 25412^2 .

It is a cyclic number.

It is not a de Polignac number, because 6449619233 - 2¹⁴ = 6449602849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6449619203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3224809616 + 3224809617.

It is an arithmetic number, because the mean of its divisors is an integer number (3224809617).

Almost surely, 2^6449619233 is an apocalyptic number.

It is an amenable number.

6449619233 is a deficient number, since it is larger than the sum of its proper divisors (1).

6449619233 is an equidigital number, since it uses as much as digits as its factorization.

6449619233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 47.

The square root of 6449619233 is about 80309.5214342608. The cubic root of 6449619233 is about 1861.4213547941.

The spelling of 6449619233 in words is "six billion, four hundred forty-nine million, six hundred nineteen thousand, two hundred thirty-three".