6866409743980 has 24 divisors (see below), whose sum is σ = 14726257495488. Its totient is φ = 2688126367488.

The previous prime is 6866409743957. The next prime is 6866409744143. The reversal of 6866409743980 is 893479046686.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3652344669 + ... + 3652346548.

It is an arithmetic number, because the mean of its divisors is an integer number (613594062312).

Almost surely, 2^{6866409743980} is an apocalyptic number.

It is an amenable number.

6866409743980 is an abundant number, since it is smaller than the sum of its proper divisors (7859847751508).

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

6866409743980 is a wasteful number, since it uses less digits than its factorization.

6866409743980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7304691273 (or 7304691271 counting only the distinct ones).

The product of its (nonzero) digits is 376233984, while the sum is 70.

The spelling of 6866409743980 in words is "six trillion, eight hundred sixty-six billion, four hundred nine million, seven hundred forty-three thousand, nine hundred eighty".