834297109 has 2 divisors, whose sum is σ = 834297110. Its totient is φ = 834297108.

The previous prime is 834297103. The next prime is 834297133. The reversal of 834297109 is 901792438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 551216484 + 283080625 = 23478^2 + 16825^2 .

It is a cyclic number.

It is not a de Polignac number, because 834297109 - 2²⁹ = 297426197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (834297103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417148554 + 417148555.

It is an arithmetic number, because the mean of its divisors is an integer number (417148555).

Almost surely, 2^834297109 is an apocalyptic number.

It is an amenable number.

834297109 is a deficient number, since it is larger than the sum of its proper divisors (1).

834297109 is an equidigital number, since it uses as much as digits as its factorization.

834297109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 834297109 is about 28884.2017199714. The cubic root of 834297109 is about 941.3986681662.

The spelling of 834297109 in words is "eight hundred thirty-four million, two hundred ninety-seven thousand, one hundred nine".