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834394345289 is a prime number
BaseRepresentation
bin11000010010001011100…
…01110100111101001001
32221202201101011111211222
430021011301310331021
5102132314423022124
61435152050331425
7114166032625121
oct14110561647511
92852641144758
10834394345289
112a195694544a
12115864b89b75
13608b587498b
142c556255c81
1516a87ad925e
hexc245c74f49

834394345289 has 2 divisors, whose sum is σ = 834394345290. Its totient is φ = 834394345288.

The previous prime is 834394345261. The next prime is 834394345333. The reversal of 834394345289 is 982543493438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 832670850064 + 1723495225 = 912508^2 + 41515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-834394345289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (834394305289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417197172644 + 417197172645.

It is an arithmetic number, because the mean of its divisors is an integer number (417197172645).

Almost surely, 2834394345289 is an apocalyptic number.

It is an amenable number.

834394345289 is a deficient number, since it is larger than the sum of its proper divisors (1).

834394345289 is an equidigital number, since it uses as much as digits as its factorization.

834394345289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89579520, while the sum is 62.

The spelling of 834394345289 in words is "eight hundred thirty-four billion, three hundred ninety-four million, three hundred forty-five thousand, two hundred eighty-nine".