834343351789 has 2 divisors, whose sum is σ = 834343351790. Its totient is φ = 834343351788.

The previous prime is 834343351783. The next prime is 834343351813. The reversal of 834343351789 is 987153343438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 653817788100 + 180525563689 = 808590^2 + 424883^2 .

It is a cyclic number.

It is not a de Polignac number, because 834343351789 - 2⁷ = 834343351661 is a prime.

It is a super-2 number, since 2×834343351789² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (834343351783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417171675894 + 417171675895.

It is an arithmetic number, because the mean of its divisors is an integer number (417171675895).

Almost surely, 2^834343351789 is an apocalyptic number.

It is an amenable number.

834343351789 is a deficient number, since it is larger than the sum of its proper divisors (1).

834343351789 is an equidigital number, since it uses as much as digits as its factorization.

834343351789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26127360, while the sum is 58.

The spelling of 834343351789 in words is "eight hundred thirty-four billion, three hundred forty-three million, three hundred fifty-one thousand, seven hundred eighty-nine".