683748563 has 2 divisors, whose sum is σ = 683748564. Its totient is φ = 683748562.

The previous prime is 683748553. The next prime is 683748599. The reversal of 683748563 is 365847386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 683748563 - 2¹⁰ = 683747539 is a prime.

It is not a weakly prime, because it can be changed into another prime (683748503) 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, 341874281 + 341874282.

It is an arithmetic number, because the mean of its divisors is an integer number (341874282).

Almost surely, 2^683748563 is an apocalyptic number.

683748563 is a deficient number, since it is larger than the sum of its proper divisors (1).

683748563 is an equidigital number, since it uses as much as digits as its factorization.

683748563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 50.

The square root of 683748563 is about 26148.5862524153. The cubic root of 683748563 is about 880.9788363566.

The spelling of 683748563 in words is "six hundred eighty-three million, seven hundred forty-eight thousand, five hundred sixty-three".