6448584718 has 4 divisors (see below), whose sum is σ = 9672877080. Its totient is φ = 3224292358.

The previous prime is 6448584713. The next prime is 6448584719. The reversal of 6448584718 is 8174858446.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448584713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612146178 + ... + 1612146181.

It is an arithmetic number, because the mean of its divisors is an integer number (2418219270).

Almost surely, 2^6448584718 is an apocalyptic number.

6448584718 is a deficient number, since it is larger than the sum of its proper divisors (3224292362).

6448584718 is a wasteful number, since it uses less digits than its factorization.

6448584718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224292361.

The product of its digits is 6881280, while the sum is 55.

The square root of 6448584718 is about 80303.0803767826. The cubic root of 6448584718 is about 1861.3218258549.

The spelling of 6448584718 in words is "six billion, four hundred forty-eight million, five hundred eighty-four thousand, seven hundred eighteen".