6812866554 has 32 divisors (see below), whose sum is σ = 14677274304. Its totient is φ = 2095779840.

The previous prime is 6812866549. The next prime is 6812866589. The reversal of 6812866554 is 4556682186.

It is a super-2 number, since 2×6812866554² = 92830301365223669832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6812866497 and 6812866506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476794 + ... + 490874.

It is an arithmetic number, because the mean of its divisors is an integer number (458664822).

Almost surely, 2^6812866554 is an apocalyptic number.

6812866554 is an abundant number, since it is smaller than the sum of its proper divisors (7864407750).

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

6812866554 is a wasteful number, since it uses less digits than its factorization.

6812866554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20302.

The product of its digits is 2764800, while the sum is 51.

The square root of 6812866554 is about 82540.0905863327. The cubic root of 6812866554 is about 1895.7306311181.

The spelling of 6812866554 in words is "six billion, eight hundred twelve million, eight hundred sixty-six thousand, five hundred fifty-four".