834674563 has 2 divisors, whose sum is σ = 834674564. Its totient is φ = 834674562.

The previous prime is 834674557. The next prime is 834674587. The reversal of 834674563 is 365476438.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-834674563 is a prime.

It is a super-2 number, since 2×834674563² = 1393363252238481938, which contains 22 as substring.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (834674963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417337281 + 417337282.

It is an arithmetic number, because the mean of its divisors is an integer number (417337282).

Almost surely, 2^834674563 is an apocalyptic number.

834674563 is a deficient number, since it is larger than the sum of its proper divisors (1).

834674563 is an equidigital number, since it uses as much as digits as its factorization.

834674563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 46.

The square root of 834674563 is about 28890.7348989256. The cubic root of 834674563 is about 941.5406164464.

The spelling of 834674563 in words is "eight hundred thirty-four million, six hundred seventy-four thousand, five hundred sixty-three".