3966446650 has 48 divisors (see below), whose sum is σ = 7790974560. Its totient is φ = 1498219200.

The previous prime is 3966446633. The next prime is 3966446663. The reversal of 3966446650 is 566446693.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3966446594 and 3966446603.

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, 294565 + ... + 307735.

It is an arithmetic number, because the mean of its divisors is an integer number (162311970).

Almost surely, 2^3966446650 is an apocalyptic number.

3966446650 is a deficient number, since it is larger than the sum of its proper divisors (3824527910).

3966446650 is a wasteful number, since it uses less digits than its factorization.

3966446650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13519 (or 13514 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 49.

The square root of 3966446650 is about 62979.7320572262. The cubic root of 3966446650 is about 1582.9500311922.

The spelling of 3966446650 in words is "three billion, nine hundred sixty-six million, four hundred forty-six thousand, six hundred fifty".