4493845871 has 2 divisors, whose sum is σ = 4493845872. Its totient is φ = 4493845870.

The previous prime is 4493845817. The next prime is 4493845883. The reversal of 4493845871 is 1785483944.

Together with previous prime (4493845817) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4493845871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4493845891) 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, 2246922935 + 2246922936.

It is an arithmetic number, because the mean of its divisors is an integer number (2246922936).

Almost surely, 2^4493845871 is an apocalyptic number.

4493845871 is a deficient number, since it is larger than the sum of its proper divisors (1).

4493845871 is an equidigital number, since it uses as much as digits as its factorization.

4493845871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3870720, while the sum is 53.

The square root of 4493845871 is about 67036.1534621431. The cubic root of 4493845871 is about 1650.2106704989.

It can be divided in two parts, 44938 and 45871, that added together give a palindrome (90809).

The spelling of 4493845871 in words is "four billion, four hundred ninety-three million, eight hundred forty-five thousand, eight hundred seventy-one".