6448544059 has 2 divisors, whose sum is σ = 6448544060. Its totient is φ = 6448544058.

The previous prime is 6448544021. The next prime is 6448544093. The reversal of 6448544059 is 9504458446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6448544059 - 2¹⁵ = 6448511291 is a prime.

It is not a weakly prime, because it can be changed into another prime (6448544009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3224272029 + 3224272030.

It is an arithmetic number, because the mean of its divisors is an integer number (3224272030).

Almost surely, 2^6448544059 is an apocalyptic number.

6448544059 is a deficient number, since it is larger than the sum of its proper divisors (1).

6448544059 is an equidigital number, since it uses as much as digits as its factorization.

6448544059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2764800, while the sum is 49.

The square root of 6448544059 is about 80302.8272167300. The cubic root of 6448544059 is about 1861.3179139039.

The spelling of 6448544059 in words is "six billion, four hundred forty-eight million, five hundred forty-four thousand, fifty-nine".