4258684949 has 2 divisors, whose sum is σ = 4258684950. Its totient is φ = 4258684948.

The previous prime is 4258684933. The next prime is 4258684967. The reversal of 4258684949 is 9494868524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4237359025 + 21325924 = 65095^2 + 4618^2 .

It is a cyclic number.

It is not a de Polignac number, because 4258684949 - 2⁴ = 4258684933 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4258684979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2129342474 + 2129342475.

It is an arithmetic number, because the mean of its divisors is an integer number (2129342475).

Almost surely, 2^4258684949 is an apocalyptic number.

It is an amenable number.

4258684949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4258684949 is an equidigital number, since it uses as much as digits as its factorization.

4258684949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19906560, while the sum is 59.

The square root of 4258684949 is about 65258.6005749434. The cubic root of 4258684949 is about 1620.9085170947.

The spelling of 4258684949 in words is "four billion, two hundred fifty-eight million, six hundred eighty-four thousand, nine hundred forty-nine".