683826563 has 16 divisors (see below), whose sum is σ = 805770240. Its totient is φ = 568070496.

The previous prime is 683826557. The next prime is 683826569. The reversal of 683826563 is 365628386.

It is an interprime number because it is at equal distance from previous prime (683826557) and next prime (683826569).

It is not a de Polignac number, because 683826563 - 2²² = 679632259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (683826569) 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 in 15 ways as a sum of consecutive naturals, for example, 63098 + ... + 73136.

It is an arithmetic number, because the mean of its divisors is an integer number (50360640).

Almost surely, 2^683826563 is an apocalyptic number.

683826563 is a deficient number, since it is larger than the sum of its proper divisors (121943677).

683826563 is a wasteful number, since it uses less digits than its factorization.

683826563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10346.

The product of its digits is 1244160, while the sum is 47.

The square root of 683826563 is about 26150.0776863091. The cubic root of 683826563 is about 881.0123348970.

The spelling of 683826563 in words is "six hundred eighty-three million, eight hundred twenty-six thousand, five hundred sixty-three".