689414359 has 2 divisors, whose sum is σ = 689414360. Its totient is φ = 689414358.

The previous prime is 689414333. The next prime is 689414387. The reversal of 689414359 is 953414986.

It is a happy number.

689414359 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 is a cyclic number.

It is not a de Polignac number, because 689414359 - 2¹³ = 689406167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (689414459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344707179 + 344707180.

It is an arithmetic number, because the mean of its divisors is an integer number (344707180).

Almost surely, 2^689414359 is an apocalyptic number.

689414359 is a deficient number, since it is larger than the sum of its proper divisors (1).

689414359 is an equidigital number, since it uses as much as digits as its factorization.

689414359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The square root of 689414359 is about 26256.7012208312. The cubic root of 689414359 is about 883.4055190880.

The spelling of 689414359 in words is "six hundred eighty-nine million, four hundred fourteen thousand, three hundred fifty-nine".