834553849 has 2 divisors, whose sum is σ = 834553850. Its totient is φ = 834553848.

The previous prime is 834553829. The next prime is 834553861. The reversal of 834553849 is 948355438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 524089449 + 310464400 = 22893^2 + 17620^2 .

It is a cyclic number.

It is not a de Polignac number, because 834553849 - 2⁹ = 834553337 is a prime.

It is not a weakly prime, because it can be changed into another prime (834553829) 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, 417276924 + 417276925.

It is an arithmetic number, because the mean of its divisors is an integer number (417276925).

Almost surely, 2^834553849 is an apocalyptic number.

It is an amenable number.

834553849 is a deficient number, since it is larger than the sum of its proper divisors (1).

834553849 is an equidigital number, since it uses as much as digits as its factorization.

834553849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 49.

The square root of 834553849 is about 28888.6456761130. The cubic root of 834553849 is about 941.4952244582.

The spelling of 834553849 in words is "eight hundred thirty-four million, five hundred fifty-three thousand, eight hundred forty-nine".