4644507650 has 24 divisors (see below), whose sum is σ = 8644841040. Its totient is φ = 1856500560.

The previous prime is 4644507629. The next prime is 4644507653. The reversal of 4644507650 is 567054464.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4644507598 and 4644507607.

It is not an unprimeable number, because it can be changed into a prime (4644507653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41117 + ... + 104783.

It is an arithmetic number, because the mean of its divisors is an integer number (360201710).

Almost surely, 2^4644507650 is an apocalyptic number.

4644507650 is a deficient number, since it is larger than the sum of its proper divisors (4000333390).

4644507650 is a wasteful number, since it uses less digits than its factorization.

4644507650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65138 (or 65133 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The square root of 4644507650 is about 68150.6247220082. The cubic root of 4644507650 is about 1668.4501200069.

The spelling of 4644507650 in words is "four billion, six hundred forty-four million, five hundred seven thousand, six hundred fifty".