4598985857 has 2 divisors, whose sum is σ = 4598985858. Its totient is φ = 4598985856.

The previous prime is 4598985847. The next prime is 4598985883. The reversal of 4598985857 is 7585898954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3743481856 + 855504001 = 61184^2 + 29249^2 .

It is a cyclic number.

It is not a de Polignac number, because 4598985857 - 2⁴ = 4598985841 is a prime.

It is not a weakly prime, because it can be changed into another prime (4598985847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2299492928 + 2299492929.

It is an arithmetic number, because the mean of its divisors is an integer number (2299492929).

Almost surely, 2^4598985857 is an apocalyptic number.

It is an amenable number.

4598985857 is a deficient number, since it is larger than the sum of its proper divisors (1).

4598985857 is an equidigital number, since it uses as much as digits as its factorization.

4598985857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152000, while the sum is 68.

The square root of 4598985857 is about 67815.8230577496. The cubic root of 4598985857 is about 1662.9812706716.

The spelling of 4598985857 in words is "four billion, five hundred ninety-eight million, nine hundred eighty-five thousand, eight hundred fifty-seven".