834909723911 has 2 divisors, whose sum is σ = 834909723912. Its totient is φ = 834909723910.

The previous prime is 834909723899. The next prime is 834909723959. The reversal of 834909723911 is 119327909438.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 834909723911 - 2¹⁰ = 834909722887 is a prime.

It is a super-2 number, since 2×834909723911² (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 (834909723961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417454861955 + 417454861956.

It is an arithmetic number, because the mean of its divisors is an integer number (417454861956).

Almost surely, 2^834909723911 is an apocalyptic number.

834909723911 is a deficient number, since it is larger than the sum of its proper divisors (1).

834909723911 is an equidigital number, since it uses as much as digits as its factorization.

834909723911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 834909723911 in words is "eight hundred thirty-four billion, nine hundred nine million, seven hundred twenty-three thousand, nine hundred eleven".