6648912343 has 16 divisors (see below), whose sum is σ = 6866694432. Its totient is φ = 6435072000.

The previous prime is 6648912253. The next prime is 6648912397. The reversal of 6648912343 is 3432198466.

It is a cyclic number.

It is not a de Polignac number, because 6648912343 - 2⁹ = 6648911831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6648912293 and 6648912302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6648912443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2184903 + ... + 2187943.

It is an arithmetic number, because the mean of its divisors is an integer number (429168402).

Almost surely, 2^6648912343 is an apocalyptic number.

6648912343 is a deficient number, since it is larger than the sum of its proper divisors (217782089).

6648912343 is a wasteful number, since it uses less digits than its factorization.

6648912343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666.

The product of its digits is 746496, while the sum is 46.

The square root of 6648912343 is about 81540.8630258474. The cubic root of 6648912343 is about 1880.3998265918.

The spelling of 6648912343 in words is "six billion, six hundred forty-eight million, nine hundred twelve thousand, three hundred forty-three".