6448311983 has 2 divisors, whose sum is σ = 6448311984. Its totient is φ = 6448311982.

The previous prime is 6448311977. The next prime is 6448312001. The reversal of 6448311983 is 3891138446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6448311983 - 2⁴ = 6448311967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6448311923) 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, 3224155991 + 3224155992.

It is an arithmetic number, because the mean of its divisors is an integer number (3224155992).

Almost surely, 2^6448311983 is an apocalyptic number.

6448311983 is a deficient number, since it is larger than the sum of its proper divisors (1).

6448311983 is an equidigital number, since it uses as much as digits as its factorization.

6448311983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 47.

The square root of 6448311983 is about 80301.3821985649. The cubic root of 6448311983 is about 1861.2955847086.

The spelling of 6448311983 in words is "six billion, four hundred forty-eight million, three hundred eleven thousand, nine hundred eighty-three".