6820504944912 has 120 divisors (see below), whose sum is σ = 19804492431360. Its totient is φ = 2272400127360.

The previous prime is 6820504944857. The next prime is 6820504944919. The reversal of 6820504944912 is 2194494050286.

6820504944912 is a `hidden beast` number, since 6 + 8 + 2 + 0 + 504 + 9 + 44 + 91 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (6820504944919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7620337 + ... + 8468207.

It is an arithmetic number, because the mean of its divisors is an integer number (165037436928).

Almost surely, 2^{6820504944912} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6820504944912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9902246215680).

6820504944912 is an abundant number, since it is smaller than the sum of its proper divisors (12983987486448).

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

6820504944912 is a wasteful number, since it uses less digits than its factorization.

6820504944912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849963 (or 849945 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 6820504944912 in words is "six trillion, eight hundred twenty billion, five hundred four million, nine hundred forty-four thousand, nine hundred twelve".