4216564361 has 2 divisors, whose sum is σ = 4216564362. Its totient is φ = 4216564360.

The previous prime is 4216564357. The next prime is 4216564367. The reversal of 4216564361 is 1634656124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4215255625 + 1308736 = 64925^2 + 1144^2 .

It is a cyclic number.

It is not a de Polignac number, because 4216564361 - 2² = 4216564357 is a prime.

It is not a weakly prime, because it can be changed into another prime (4216564367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2108282180 + 2108282181.

It is an arithmetic number, because the mean of its divisors is an integer number (2108282181).

Almost surely, 2^4216564361 is an apocalyptic number.

It is an amenable number.

4216564361 is a deficient number, since it is larger than the sum of its proper divisors (1).

4216564361 is an equidigital number, since it uses as much as digits as its factorization.

4216564361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The square root of 4216564361 is about 64935.0780472311. The cubic root of 4216564361 is about 1615.5469283451.

The spelling of 4216564361 in words is "four billion, two hundred sixteen million, five hundred sixty-four thousand, three hundred sixty-one".