683399833 has 2 divisors, whose sum is σ = 683399834. Its totient is φ = 683399832.

The previous prime is 683399803. The next prime is 683399837. The reversal of 683399833 is 338993386.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 678237849 + 5161984 = 26043^2 + 2272^2 .

It is a cyclic number.

It is not a de Polignac number, because 683399833 - 2²¹ = 681302681 is a prime.

It is not a weakly prime, because it can be changed into another prime (683399837) 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 as a sum of consecutive naturals, namely, 341699916 + 341699917.

It is an arithmetic number, because the mean of its divisors is an integer number (341699917).

Almost surely, 2^683399833 is an apocalyptic number.

It is an amenable number.

683399833 is a deficient number, since it is larger than the sum of its proper divisors (1).

683399833 is an equidigital number, since it uses as much as digits as its factorization.

683399833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 52.

The square root of 683399833 is about 26141.9171638195. The cubic root of 683399833 is about 880.8290366535.

The spelling of 683399833 in words is "six hundred eighty-three million, three hundred ninety-nine thousand, eight hundred thirty-three".