6448220862 has 16 divisors (see below), whose sum is σ = 12932369280. Its totient is φ = 2143419032.

The previous prime is 6448220837. The next prime is 6448220897. The reversal of 6448220862 is 2680228446.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1494648 + ... + 1498955.

It is an arithmetic number, because the mean of its divisors is an integer number (808273080).

Almost surely, 2^6448220862 is an apocalyptic number.

6448220862 is an abundant number, since it is smaller than the sum of its proper divisors (6484148418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6448220862 is a wasteful number, since it uses less digits than its factorization.

6448220862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993967.

The product of its (nonzero) digits is 294912, while the sum is 42.

The square root of 6448220862 is about 80300.8148277463. The cubic root of 6448220862 is about 1861.2868173540.

The spelling of 6448220862 in words is "six billion, four hundred forty-eight million, two hundred twenty thousand, eight hundred sixty-two".