834650563 has 16 divisors (see below), whose sum is σ = 892364800. Its totient is φ = 778377600.

The previous prime is 834650561. The next prime is 834650591. The reversal of 834650563 is 365056438.

It is a cyclic number.

It is not a de Polignac number, because 834650563 - 2¹ = 834650561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (834650561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694363 + ... + 695563.

It is an arithmetic number, because the mean of its divisors is an integer number (55772800).

Almost surely, 2^834650563 is an apocalyptic number.

834650563 is a deficient number, since it is larger than the sum of its proper divisors (57714237).

834650563 is a wasteful number, since it uses less digits than its factorization.

834650563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 834650563 is about 28890.3195378660. The cubic root of 834650563 is about 941.5315920943.

The spelling of 834650563 in words is "eight hundred thirty-four million, six hundred fifty thousand, five hundred sixty-three".