4600630021 has 8 divisors (see below), whose sum is σ = 4955195000. Its totient is φ = 4246160832.

The previous prime is 4600630009. The next prime is 4600630057. The reversal of 4600630021 is 1200360064.

It can be written as a sum of positive squares in 4 ways, for example, as 569776900 + 4030853121 = 23870^2 + 63489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4600630021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4600629974 and 4600630001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4600630091) 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 7 ways as a sum of consecutive naturals, for example, 99355 + ... + 138103.

It is an arithmetic number, because the mean of its divisors is an integer number (619399375).

Almost surely, 2^4600630021 is an apocalyptic number.

It is an amenable number.

4600630021 is a deficient number, since it is larger than the sum of its proper divisors (354564979).

4600630021 is a wasteful number, since it uses less digits than its factorization.

4600630021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47895.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 4600630021 is about 67827.9442486649. The cubic root of 4600630021 is about 1663.1794221957.

Adding to 4600630021 its reverse (1200360064), we get a palindrome (5800990085).

The spelling of 4600630021 in words is "four billion, six hundred million, six hundred thirty thousand, twenty-one".