4569631648 has 12 divisors (see below), whose sum is σ = 8996462370. Its totient is φ = 2284815808.

The previous prime is 4569631621. The next prime is 4569631673. The reversal of 4569631648 is 8461369654.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3659282064 + 910349584 = 60492^2 + 30172^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4569631595 and 4569631604.

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 as a sum of consecutive naturals, namely, 71400463 + ... + 71400526.

Almost surely, 2^4569631648 is an apocalyptic number.

It is an amenable number.

4569631648 is a deficient number, since it is larger than the sum of its proper divisors (4426830722).

4569631648 is a wasteful number, since it uses less digits than its factorization.

4569631648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142800999 (or 142800991 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The square root of 4569631648 is about 67599.0506442213. The cubic root of 4569631648 is about 1659.4355810843.

The spelling of 4569631648 in words is "four billion, five hundred sixty-nine million, six hundred thirty-one thousand, six hundred forty-eight".