6812321826 has 16 divisors (see below), whose sum is σ = 14341730400. Its totient is φ = 2151259488.

The previous prime is 6812321819. The next prime is 6812321833. The reversal of 6812321826 is 6281232186.

It is an interprime number because it is at equal distance from previous prime (6812321819) and next prime (6812321833).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29878491 + ... + 29878718.

It is an arithmetic number, because the mean of its divisors is an integer number (896358150).

Almost surely, 2^6812321826 is an apocalyptic number.

6812321826 is an abundant number, since it is smaller than the sum of its proper divisors (7529408574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6812321826 is a wasteful number, since it uses less digits than its factorization.

6812321826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59757233.

The product of its digits is 55296, while the sum is 39.

The square root of 6812321826 is about 82536.7907420685. The cubic root of 6812321826 is about 1895.6801049032.

The spelling of 6812321826 in words is "six billion, eight hundred twelve million, three hundred twenty-one thousand, eight hundred twenty-six".