6812146044 has 36 divisors (see below), whose sum is σ = 18785009880. Its totient is φ = 2064286560.

The previous prime is 6812146039. The next prime is 6812146051. The reversal of 6812146044 is 4406412186.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent 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, 8600799 + ... + 8601590.

It is an arithmetic number, because the mean of its divisors is an integer number (521805830).

Almost surely, 2^6812146044 is an apocalyptic number.

It is an amenable number.

6812146044 is an abundant number, since it is smaller than the sum of its proper divisors (11972863836).

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

6812146044 is a wasteful number, since it uses less digits than its factorization.

6812146044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17202410 (or 17202405 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 6812146044 is about 82535.7258646218. The cubic root of 6812146044 is about 1895.6637996789.

The spelling of 6812146044 in words is "six billion, eight hundred twelve million, one hundred forty-six thousand, forty-four".