834193620089 has 2 divisors, whose sum is σ = 834193620090. Its totient is φ = 834193620088.

The previous prime is 834193620083. The next prime is 834193620121. The reversal of 834193620089 is 980026391438.

It is a happy number.

834193620089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 824091762025 + 10101858064 = 907795^2 + 100508^2 .

It is a cyclic number.

It is not a de Polignac number, because 834193620089 - 2¹² = 834193615993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 834193620089.

It is not a weakly prime, because it can be changed into another prime (834193620083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417096810044 + 417096810045.

It is an arithmetic number, because the mean of its divisors is an integer number (417096810045).

Almost surely, 2^834193620089 is an apocalyptic number.

It is an amenable number.

834193620089 is a deficient number, since it is larger than the sum of its proper divisors (1).

834193620089 is an equidigital number, since it uses as much as digits as its factorization.

834193620089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 834193620089 in words is "eight hundred thirty-four billion, one hundred ninety-three million, six hundred twenty thousand, eighty-nine".