689601683 has 2 divisors, whose sum is σ = 689601684. Its totient is φ = 689601682.

The previous prime is 689601659. The next prime is 689601697. The reversal of 689601683 is 386106986.

689601683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 689601683 - 2²² = 685407379 is a prime.

It is not a weakly prime, because it can be changed into another prime (689601613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344800841 + 344800842.

It is an arithmetic number, because the mean of its divisors is an integer number (344800842).

Almost surely, 2^689601683 is an apocalyptic number.

689601683 is a deficient number, since it is larger than the sum of its proper divisors (1).

689601683 is an equidigital number, since it uses as much as digits as its factorization.

689601683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 689601683 is about 26260.2681440994. The cubic root of 689601683 is about 883.4855232575.

The spelling of 689601683 in words is "six hundred eighty-nine million, six hundred one thousand, six hundred eighty-three".