6484015988 has 24 divisors (see below), whose sum is σ = 11447073792. Its totient is φ = 3213471744.

The previous prime is 6484015949. The next prime is 6484016009. The reversal of 6484015988 is 8895104846.

It is a happy number.

It is a super-2 number, since 2×6484015988² = 84084926665279232288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 597620 + ... + 608372.

It is an arithmetic number, because the mean of its divisors is an integer number (476961408).

Almost surely, 2^6484015988 is an apocalyptic number.

It is an amenable number.

6484015988 is a deficient number, since it is larger than the sum of its proper divisors (4963057804).

6484015988 is a wasteful number, since it uses less digits than its factorization.

6484015988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12071 (or 12069 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 53.

The square root of 6484015988 is about 80523.3878323559. The cubic root of 6484015988 is about 1864.7245662719.

The spelling of 6484015988 in words is "six billion, four hundred eighty-four million, fifteen thousand, nine hundred eighty-eight".