659430559 has 2 divisors, whose sum is σ = 659430560. Its totient is φ = 659430558.

The previous prime is 659430553. The next prime is 659430571. The reversal of 659430559 is 955034956.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-659430559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (659430553) 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, 329715279 + 329715280.

It is an arithmetic number, because the mean of its divisors is an integer number (329715280).

Almost surely, 2^659430559 is an apocalyptic number.

659430559 is a deficient number, since it is larger than the sum of its proper divisors (1).

659430559 is an equidigital number, since it uses as much as digits as its factorization.

659430559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729000, while the sum is 46.

The square root of 659430559 is about 25679.3800353513. The cubic root of 659430559 is about 870.4082986852.

The spelling of 659430559 in words is "six hundred fifty-nine million, four hundred thirty thousand, five hundred fifty-nine".