4784423257 has 2 divisors, whose sum is σ = 4784423258. Its totient is φ = 4784423256.

The previous prime is 4784423239. The next prime is 4784423311. The reversal of 4784423257 is 7523244874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2652662016 + 2131761241 = 51504^2 + 46171^2 .

It is a cyclic number.

It is not a de Polignac number, because 4784423257 - 2¹¹ = 4784421209 is a prime.

It is not a weakly prime, because it can be changed into another prime (4784423057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2392211628 + 2392211629.

It is an arithmetic number, because the mean of its divisors is an integer number (2392211629).

Almost surely, 2^4784423257 is an apocalyptic number.

It is an amenable number.

4784423257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4784423257 is an equidigital number, since it uses as much as digits as its factorization.

4784423257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1505280, while the sum is 46.

The square root of 4784423257 is about 69169.5254935293. The cubic root of 4784423257 is about 1685.0386401750.

The spelling of 4784423257 in words is "four billion, seven hundred eighty-four million, four hundred twenty-three thousand, two hundred fifty-seven".