4216658449 has 2 divisors, whose sum is σ = 4216658450. Its totient is φ = 4216658448.

The previous prime is 4216658437. The next prime is 4216658477. The reversal of 4216658449 is 9448566124.

4216658449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3221697600 + 994960849 = 56760^2 + 31543^2 .

It is a cyclic number.

It is not a de Polignac number, because 4216658449 - 2⁷ = 4216658321 is a prime.

It is not a weakly prime, because it can be changed into another prime (4216652449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2108329224 + 2108329225.

It is an arithmetic number, because the mean of its divisors is an integer number (2108329225).

Almost surely, 2^4216658449 is an apocalyptic number.

It is an amenable number.

4216658449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4216658449 is an equidigital number, since it uses as much as digits as its factorization.

4216658449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 49.

The square root of 4216658449 is about 64935.8025206434. The cubic root of 4216658449 is about 1615.5589446405.

The spelling of 4216658449 in words is "four billion, two hundred sixteen million, six hundred fifty-eight thousand, four hundred forty-nine".