683399863 has 2 divisors, whose sum is σ = 683399864. Its totient is φ = 683399862.

The previous prime is 683399837. The next prime is 683399911. The reversal of 683399863 is 368993386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 683399863 - 2⁹ = 683399351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683399803) 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, 341699931 + 341699932.

It is an arithmetic number, because the mean of its divisors is an integer number (341699932).

Almost surely, 2^683399863 is an apocalyptic number.

683399863 is a deficient number, since it is larger than the sum of its proper divisors (1).

683399863 is an equidigital number, since it uses as much as digits as its factorization.

683399863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 55.

The square root of 683399863 is about 26141.9177376106. The cubic root of 683399863 is about 880.8290495425.

The spelling of 683399863 in words is "six hundred eighty-three million, three hundred ninety-nine thousand, eight hundred sixty-three".