4916220643 has 2 divisors, whose sum is σ = 4916220644. Its totient is φ = 4916220642.

The previous prime is 4916220637. The next prime is 4916220689. The reversal of 4916220643 is 3460226194.

It is a happy number.

4916220643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4916220643 - 2⁵ = 4916220611 is a prime.

It is not a weakly prime, because it can be changed into another prime (4916220623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2458110321 + 2458110322.

It is an arithmetic number, because the mean of its divisors is an integer number (2458110322).

Almost surely, 2^4916220643 is an apocalyptic number.

4916220643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4916220643 is an equidigital number, since it uses as much as digits as its factorization.

4916220643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 4916220643 is about 70115.7660087943. The cubic root of 4916220643 is about 1700.3713886399.

The spelling of 4916220643 in words is "four billion, nine hundred sixteen million, two hundred twenty thousand, six hundred forty-three".