4818630857 has 2 divisors, whose sum is σ = 4818630858. Its totient is φ = 4818630856.

The previous prime is 4818630853. The next prime is 4818630899. The reversal of 4818630857 is 7580368184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3257669776 + 1560961081 = 57076^2 + 39509^2 .

It is a cyclic number.

It is not a de Polignac number, because 4818630857 - 2² = 4818630853 is a prime.

It is not a weakly prime, because it can be changed into another prime (4818630853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2409315428 + 2409315429.

It is an arithmetic number, because the mean of its divisors is an integer number (2409315429).

Almost surely, 2^4818630857 is an apocalyptic number.

It is an amenable number.

4818630857 is a deficient number, since it is larger than the sum of its proper divisors (1).

4818630857 is an equidigital number, since it uses as much as digits as its factorization.

4818630857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 4818630857 is about 69416.3587132025. The cubic root of 4818630857 is about 1689.0449953736.

The spelling of 4818630857 in words is "four billion, eight hundred eighteen million, six hundred thirty thousand, eight hundred fifty-seven".