6448863679 has 2 divisors, whose sum is σ = 6448863680. Its totient is φ = 6448863678.

The previous prime is 6448863653. The next prime is 6448863689. The reversal of 6448863679 is 9763688446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6448863679 - 2⁵ = 6448863647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6448863689) 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, 3224431839 + 3224431840.

It is an arithmetic number, because the mean of its divisors is an integer number (3224431840).

Almost surely, 2^6448863679 is an apocalyptic number.

6448863679 is a deficient number, since it is larger than the sum of its proper divisors (1).

6448863679 is an equidigital number, since it uses as much as digits as its factorization.

6448863679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41803776, while the sum is 61.

The square root of 6448863679 is about 80304.8172838965. The cubic root of 6448863679 is about 1861.3486652692.

The spelling of 6448863679 in words is "six billion, four hundred forty-eight million, eight hundred sixty-three thousand, six hundred seventy-nine".