4866591623 has 2 divisors, whose sum is σ = 4866591624. Its totient is φ = 4866591622.

The previous prime is 4866591571. The next prime is 4866591659. The reversal of 4866591623 is 3261956684.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4866591623 - 2²⁶ = 4799482759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4866590623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2433295811 + 2433295812.

It is an arithmetic number, because the mean of its divisors is an integer number (2433295812).

Almost surely, 2^4866591623 is an apocalyptic number.

4866591623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4866591623 is an equidigital number, since it uses as much as digits as its factorization.

4866591623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 50.

The square root of 4866591623 is about 69760.9605940171. The cubic root of 4866591623 is about 1694.6303029099.

The spelling of 4866591623 in words is "four billion, eight hundred sixty-six million, five hundred ninety-one thousand, six hundred twenty-three".