6648239210 has 16 divisors (see below), whose sum is σ = 12130761096. Its totient is φ = 2622866688.

The previous prime is 6648239189. The next prime is 6648239231. The reversal of 6648239210 is 129328466.

It is an interprime number because it is at equal distance from previous prime (6648239189) and next prime (6648239231).

It can be written as a sum of positive squares in 4 ways, for example, as 6446002369 + 202236841 = 80287^2 + 14221^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4552859 + ... + 4554318.

Almost surely, 2^6648239210 is an apocalyptic number.

6648239210 is a deficient number, since it is larger than the sum of its proper divisors (5482521886).

6648239210 is a wasteful number, since it uses less digits than its factorization.

6648239210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9107257.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 6648239210 is about 81536.7353405813. The cubic root of 6648239210 is about 1880.3363674961.

The spelling of 6648239210 in words is "six billion, six hundred forty-eight million, two hundred thirty-nine thousand, two hundred ten".