6321049866 has 32 divisors (see below), whose sum is σ = 14130910080. Its totient is φ = 2094396768.

The previous prime is 6321049853. The next prime is 6321049877. The reversal of 6321049866 is 6689401236.

6321049866 is a `hidden beast` number, since 632 + 1 + 0 + 4 + 9 + 8 + 6 + 6 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341451 + ... + 359486.

It is an arithmetic number, because the mean of its divisors is an integer number (441590940).

Almost surely, 2^6321049866 is an apocalyptic number.

6321049866 is an abundant number, since it is smaller than the sum of its proper divisors (7809860214).

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

6321049866 is a wasteful number, since it uses less digits than its factorization.

6321049866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701115 (or 701109 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 6321049866 is about 79505.0304446203. The cubic root of 6321049866 is about 1848.9694641316.

The spelling of 6321049866 in words is "six billion, three hundred twenty-one million, forty-nine thousand, eight hundred sixty-six".