849725713 has 2 divisors, whose sum is σ = 849725714. Its totient is φ = 849725712.

The previous prime is 849725689. The next prime is 849725719. The reversal of 849725713 is 317527948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 531210304 + 318515409 = 23048^2 + 17847^2 .

It is a cyclic number.

It is not a de Polignac number, because 849725713 - 2¹³ = 849717521 is a prime.

It is not a weakly prime, because it can be changed into another prime (849725719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424862856 + 424862857.

It is an arithmetic number, because the mean of its divisors is an integer number (424862857).

Almost surely, 2^849725713 is an apocalyptic number.

It is an amenable number.

849725713 is a deficient number, since it is larger than the sum of its proper divisors (1).

849725713 is an equidigital number, since it uses as much as digits as its factorization.

849725713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 46.

The square root of 849725713 is about 29150.0551114402. The cubic root of 849725713 is about 947.1663347092.

The spelling of 849725713 in words is "eight hundred forty-nine million, seven hundred twenty-five thousand, seven hundred thirteen".