6828410665 has 12 divisors (see below), whose sum is σ = 8648061444. Its totient is φ = 5175215136.

The previous prime is 6828410657. The next prime is 6828410681. The reversal of 6828410665 is 5660148286.

It can be written as a sum of positive squares in 2 ways, for example, as 4455162009 + 2373248656 = 66747^2 + 48716^2 .

It is not a de Polignac number, because 6828410665 - 2³ = 6828410657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1889722 + ... + 1893331.

It is an arithmetic number, because the mean of its divisors is an integer number (720671787).

Almost surely, 2^6828410665 is an apocalyptic number.

It is an amenable number.

6828410665 is a deficient number, since it is larger than the sum of its proper divisors (1819650779).

6828410665 is a wasteful number, since it uses less digits than its factorization.

6828410665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783096 (or 3783077 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 6828410665 is about 82634.1979146648. The cubic root of 6828410665 is about 1897.1712907235.

The spelling of 6828410665 in words is "six billion, eight hundred twenty-eight million, four hundred ten thousand, six hundred sixty-five".