6826830817 has 4 divisors (see below), whose sum is σ = 7011339796. Its totient is φ = 6642321840.

The previous prime is 6826830809. The next prime is 6826830821. The reversal of 6826830817 is 7180386286.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7180386286 = 2 ⋅3590193143.

It can be written as a sum of positive squares in 2 ways, for example, as 5471412961 + 1355417856 = 73969^2 + 36816^2 .

It is a cyclic number.

It is not a de Polignac number, because 6826830817 - 2³ = 6826830809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6826830217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92254434 + ... + 92254507.

It is an arithmetic number, because the mean of its divisors is an integer number (1752834949).

Almost surely, 2^6826830817 is an apocalyptic number.

It is an amenable number.

6826830817 is a deficient number, since it is larger than the sum of its proper divisors (184508979).

6826830817 is a wasteful number, since it uses less digits than its factorization.

6826830817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184508978.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 6826830817 is about 82624.6380748503. The cubic root of 6826830817 is about 1897.0249670963.

The spelling of 6826830817 in words is "six billion, eight hundred twenty-six million, eight hundred thirty thousand, eight hundred seventeen".