4606365821 has 2 divisors, whose sum is σ = 4606365822. Its totient is φ = 4606365820.

The previous prime is 4606365809. The next prime is 4606365859. The reversal of 4606365821 is 1285636064.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4601587225 + 4778596 = 67835^2 + 2186^2 .

It is a cyclic number.

It is not a de Polignac number, because 4606365821 - 2¹⁴ = 4606349437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4606365121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2303182910 + 2303182911.

It is an arithmetic number, because the mean of its divisors is an integer number (2303182911).

Almost surely, 2^4606365821 is an apocalyptic number.

It is an amenable number.

4606365821 is a deficient number, since it is larger than the sum of its proper divisors (1).

4606365821 is an equidigital number, since it uses as much as digits as its factorization.

4606365821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 4606365821 is about 67870.2130614012. The cubic root of 4606365821 is about 1663.8703205240.

The spelling of 4606365821 in words is "four billion, six hundred six million, three hundred sixty-five thousand, eight hundred twenty-one".