849578413 has 2 divisors, whose sum is σ = 849578414. Its totient is φ = 849578412.

The previous prime is 849578399. The next prime is 849578419. The reversal of 849578413 is 314875948.

849578413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 834227689 + 15350724 = 28883^2 + 3918^2 .

It is a cyclic number.

It is not a de Polignac number, because 849578413 - 2⁵ = 849578381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849578419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424789206 + 424789207.

It is an arithmetic number, because the mean of its divisors is an integer number (424789207).

Almost surely, 2^849578413 is an apocalyptic number.

It is an amenable number.

849578413 is a deficient number, since it is larger than the sum of its proper divisors (1).

849578413 is an equidigital number, since it uses as much as digits as its factorization.

849578413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 49.

The square root of 849578413 is about 29147.5284200908. The cubic root of 849578413 is about 947.1116011007. Note that the first 3 decimals are identical.

The spelling of 849578413 in words is "eight hundred forty-nine million, five hundred seventy-eight thousand, four hundred thirteen".