849696893 has 2 divisors, whose sum is σ = 849696894. Its totient is φ = 849696892.

The previous prime is 849696857. The next prime is 849696917. The reversal of 849696893 is 398696948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 846693604 + 3003289 = 29098^2 + 1733^2 .

It is a cyclic number.

It is not a de Polignac number, because 849696893 - 2⁶ = 849696829 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849696803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424848446 + 424848447.

It is an arithmetic number, because the mean of its divisors is an integer number (424848447).

Almost surely, 2^849696893 is an apocalyptic number.

It is an amenable number.

849696893 is a deficient number, since it is larger than the sum of its proper divisors (1).

849696893 is an equidigital number, since it uses as much as digits as its factorization.

849696893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20155392, while the sum is 62.

The square root of 849696893 is about 29149.5607685605. The cubic root of 849696893 is about 947.1556262959.

The spelling of 849696893 in words is "eight hundred forty-nine million, six hundred ninety-six thousand, eight hundred ninety-three".