6645034996 has 12 divisors (see below), whose sum is σ = 12240854080. Its totient is φ = 3147648120.

The previous prime is 6645034961. The next prime is 6645035051. The reversal of 6645034996 is 6994305466.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 43717260 + ... + 43717411.

Almost surely, 2^6645034996 is an apocalyptic number.

It is an amenable number.

6645034996 is a deficient number, since it is larger than the sum of its proper divisors (5595819084).

6645034996 is a wasteful number, since it uses less digits than its factorization.

6645034996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87434694 (or 87434692 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 52.

The square root of 6645034996 is about 81517.0840744442. The cubic root of 6645034996 is about 1880.0342339473.

The spelling of 6645034996 in words is "six billion, six hundred forty-five million, thirty-four thousand, nine hundred ninety-six".