664241359 has 2 divisors, whose sum is σ = 664241360. Its totient is φ = 664241358.

The previous prime is 664241297. The next prime is 664241399. The reversal of 664241359 is 953142466.

It is an a-pointer prime, because the next prime (664241399) can be obtained adding 664241359 to its sum of digits (40).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 664241359 - 2¹¹ = 664239311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (664241399) 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, 332120679 + 332120680.

It is an arithmetic number, because the mean of its divisors is an integer number (332120680).

Almost surely, 2^664241359 is an apocalyptic number.

664241359 is a deficient number, since it is larger than the sum of its proper divisors (1).

664241359 is an equidigital number, since it uses as much as digits as its factorization.

664241359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 664241359 is about 25772.8803008123. The cubic root of 664241359 is about 872.5198268087.

The spelling of 664241359 in words is "six hundred sixty-four million, two hundred forty-one thousand, three hundred fifty-nine".