6625044868 has 24 divisors (see below), whose sum is σ = 13142803520. Its totient is φ = 2896780320.

The previous prime is 6625044863. The next prime is 6625044869. The reversal of 6625044868 is 8684405266.

It is not an unprimeable number, because it can be changed into a prime (6625044863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3351768 + ... + 3353743.

Almost surely, 2^6625044868 is an apocalyptic number.

It is an amenable number.

6625044868 is a deficient number, since it is larger than the sum of its proper divisors (6517758652).

6625044868 is a wasteful number, since it uses less digits than its factorization.

6625044868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6705547 (or 6705545 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 49.

The square root of 6625044868 is about 81394.3786019649. The cubic root of 6625044868 is about 1878.1471170262.

The spelling of 6625044868 in words is "six billion, six hundred twenty-five million, forty-four thousand, eight hundred sixty-eight".