4818640423 has 2 divisors, whose sum is σ = 4818640424. Its totient is φ = 4818640422.

The previous prime is 4818640417. The next prime is 4818640459. The reversal of 4818640423 is 3240468184.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4818640423 - 2⁹ = 4818639911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4818620423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2409320211 + 2409320212.

It is an arithmetic number, because the mean of its divisors is an integer number (2409320212).

Almost surely, 2^4818640423 is an apocalyptic number.

4818640423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4818640423 is an equidigital number, since it uses as much as digits as its factorization.

4818640423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 4818640423 is about 69416.4276162350. The cubic root of 4818640423 is about 1689.0461130765.

The spelling of 4818640423 in words is "four billion, eight hundred eighteen million, six hundred forty thousand, four hundred twenty-three".