683442811 has 4 divisors (see below), whose sum is σ = 683527432. Its totient is φ = 683358192.

The previous prime is 683442803. The next prime is 683442847. The reversal of 683442811 is 118244386.

683442811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 683442811 - 2³ = 683442803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (683442311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28746 + ... + 46831.

It is an arithmetic number, because the mean of its divisors is an integer number (170881858).

Almost surely, 2^683442811 is an apocalyptic number.

683442811 is a deficient number, since it is larger than the sum of its proper divisors (84621).

683442811 is an equidigital number, since it uses as much as digits as its factorization.

683442811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84620.

The product of its digits is 36864, while the sum is 37.

The square root of 683442811 is about 26142.7391640585. The cubic root of 683442811 is about 880.8475009429.

The spelling of 683442811 in words is "six hundred eighty-three million, four hundred forty-two thousand, eight hundred eleven".