6945855228 has 72 divisors (see below), whose sum is σ = 18924393488. Its totient is φ = 2135351808.

The previous prime is 6945855211. The next prime is 6945855233. The reversal of 6945855228 is 8225585496.

6945855228 is a `hidden beast` number, since 6 + 9 + 4 + 585 + 52 + 2 + 8 = 666.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 601275 + ... + 612717.

Almost surely, 2^6945855228 is an apocalyptic number.

It is an amenable number.

6945855228 is an abundant number, since it is smaller than the sum of its proper divisors (11978538260).

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

6945855228 is a wasteful number, since it uses less digits than its factorization.

6945855228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12763 (or 12758 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 54.

The square root of 6945855228 is about 83341.7976048033. The cubic root of 6945855228 is about 1907.9862576967.

The spelling of 6945855228 in words is "six billion, nine hundred forty-five million, eight hundred fifty-five thousand, two hundred twenty-eight".