6828416643 has 16 divisors (see below), whose sum is σ = 9132480000. Its totient is φ = 4538337024.

The previous prime is 6828416629. The next prime is 6828416653. The reversal of 6828416643 is 3466148286.

It is not a de Polignac number, because 6828416643 - 2⁵ = 6828416611 is a prime.

It is a super-3 number, since 3×6828416643³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6828416592 and 6828416601.

It is not an unprimeable number, because it can be changed into a prime (6828416653) 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, 1882930 + ... + 1886552.

It is an arithmetic number, because the mean of its divisors is an integer number (570780000).

Almost surely, 2^6828416643 is an apocalyptic number.

6828416643 is a deficient number, since it is larger than the sum of its proper divisors (2304063357).

6828416643 is a wasteful number, since it uses less digits than its factorization.

6828416643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5378.

The product of its digits is 1327104, while the sum is 48.

The square root of 6828416643 is about 82634.2340861220. The cubic root of 6828416643 is about 1897.1718443559.

The spelling of 6828416643 in words is "six billion, eight hundred twenty-eight million, four hundred sixteen thousand, six hundred forty-three".