6828353643 has 32 divisors (see below), whose sum is σ = 9747085824. Its totient is φ = 4242661632.

The previous prime is 6828353639. The next prime is 6828353657. The reversal of 6828353643 is 3463538286.

It is not a de Polignac number, because 6828353643 - 2² = 6828353639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6828353592 and 6828353601.

It is not an unprimeable number, because it can be changed into a prime (6828353683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 409905 + ... + 426237.

It is an arithmetic number, because the mean of its divisors is an integer number (304596432).

Almost surely, 2^6828353643 is an apocalyptic number.

6828353643 is a deficient number, since it is larger than the sum of its proper divisors (2918732181).

6828353643 is a wasteful number, since it uses less digits than its factorization.

6828353643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16515.

The product of its digits is 2488320, while the sum is 48.

The square root of 6828353643 is about 82633.8528873004. The cubic root of 6828353643 is about 1897.1660098069.

The spelling of 6828353643 in words is "six billion, eight hundred twenty-eight million, three hundred fifty-three thousand, six hundred forty-three".