689502113 has 2 divisors, whose sum is σ = 689502114. Its totient is φ = 689502112.

The previous prime is 689502109. The next prime is 689502139. The reversal of 689502113 is 311205986.

689502113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 650913169 + 38588944 = 25513^2 + 6212^2 .

It is a cyclic number.

It is not a de Polignac number, because 689502113 - 2² = 689502109 is a prime.

It is equal to p_35737253 and since 689502113 and 35737253 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (689502013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344751056 + 344751057.

It is an arithmetic number, because the mean of its divisors is an integer number (344751057).

Almost surely, 2^689502113 is an apocalyptic number.

It is an amenable number.

689502113 is a deficient number, since it is larger than the sum of its proper divisors (1).

689502113 is an equidigital number, since it uses as much as digits as its factorization.

689502113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 689502113 is about 26258.3722458190. The cubic root of 689502113 is about 883.4429997303.

The spelling of 689502113 in words is "six hundred eighty-nine million, five hundred two thousand, one hundred thirteen".