4600646221 has 2 divisors, whose sum is σ = 4600646222. Its totient is φ = 4600646220.

The previous prime is 4600646213. The next prime is 4600646251. The reversal of 4600646221 is 1226460064.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4574493225 + 26152996 = 67635^2 + 5114^2 .

It is a cyclic number.

It is not a de Polignac number, because 4600646221 - 2³ = 4600646213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4600646201) by changing a digit.

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, 2300323110 + 2300323111.

It is an arithmetic number, because the mean of its divisors is an integer number (2300323111).

Almost surely, 2^4600646221 is an apocalyptic number.

It is an amenable number.

4600646221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4600646221 is an equidigital number, since it uses as much as digits as its factorization.

4600646221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 4600646221 is about 67828.0636683667. The cubic root of 4600646221 is about 1663.1813743540.

The spelling of 4600646221 in words is "four billion, six hundred million, six hundred forty-six thousand, two hundred twenty-one".