833864489 has 2 divisors, whose sum is σ = 833864490. Its totient is φ = 833864488.

The previous prime is 833864461. The next prime is 833864503. The reversal of 833864489 is 984468338.

833864489 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., 817502464 + 16362025 = 28592^2 + 4045^2 .

It is a cyclic number.

It is not a de Polignac number, because 833864489 - 2²⁰ = 832815913 is a prime.

It is a super-2 number, since 2×833864489² = 1390659972030462242, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 833864489.

It is not a weakly prime, because it can be changed into another prime (833869489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 416932244 + 416932245.

It is an arithmetic number, because the mean of its divisors is an integer number (416932245).

Almost surely, 2^833864489 is an apocalyptic number.

It is an amenable number.

833864489 is a deficient number, since it is larger than the sum of its proper divisors (1).

833864489 is an equidigital number, since it uses as much as digits as its factorization.

833864489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3981312, while the sum is 53.

The square root of 833864489 is about 28876.7118799908. The cubic root of 833864489 is about 941.2359210652.

It can be divided in two parts, 8338 and 64489, that added together give a palindrome (72827).

The spelling of 833864489 in words is "eight hundred thirty-three million, eight hundred sixty-four thousand, four hundred eighty-nine".