63995650 has 24 divisors (see below), whose sum is σ = 126035460. Its totient is φ = 24092160.

The previous prime is 63995621. The next prime is 63995671. The reversal of 63995650 is 5659936.

It is a happy number.

63995650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 25170289 + 38825361 = 5017^2 + 6231^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63995597 and 63995606.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 36795 + ... + 38494.

Almost surely, 2^63995650 is an apocalyptic number.

63995650 is a deficient number, since it is larger than the sum of its proper divisors (62039810).

63995650 is a wasteful number, since it uses less digits than its factorization.

63995650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75318 (or 75313 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 43.

The square root of 63995650 is about 7999.7281203801. The cubic root of 63995650 is about 399.9909372947.

The spelling of 63995650 in words is "sixty-three million, nine hundred ninety-five thousand, six hundred fifty".