4628664868 has 24 divisors (see below), whose sum is σ = 8652557592. Its totient is φ = 2158915584.

The previous prime is 4628664829. The next prime is 4628664881. The reversal of 4628664868 is 8684668264.

It can be written as a sum of positive squares in 4 ways, for example, as 453178944 + 4175485924 = 21288^2 + 64618^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293505 + ... + 308872.

It is an arithmetic number, because the mean of its divisors is an integer number (360523233).

Almost surely, 2^4628664868 is an apocalyptic number.

It is an amenable number.

4628664868 is a deficient number, since it is larger than the sum of its proper divisors (4023892724).

4628664868 is a wasteful number, since it uses less digits than its factorization.

4628664868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602511 (or 602509 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 58.

The square root of 4628664868 is about 68034.2918534470. The cubic root of 4628664868 is about 1666.5508872284.

The spelling of 4628664868 in words is "four billion, six hundred twenty-eight million, six hundred sixty-four thousand, eight hundred sixty-eight".