700668289 has 2 divisors, whose sum is σ = 700668290. Its totient is φ = 700668288.

The previous prime is 700668203. The next prime is 700668317. The reversal of 700668289 is 982866007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 690638400 + 10029889 = 26280^2 + 3167^2 .

It is a cyclic number.

It is not a de Polignac number, because 700668289 - 2¹⁷ = 700537217 is a prime.

It is not a weakly prime, because it can be changed into another prime (700668589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350334144 + 350334145.

It is an arithmetic number, because the mean of its divisors is an integer number (350334145).

Almost surely, 2^700668289 is an apocalyptic number.

It is an amenable number.

700668289 is a deficient number, since it is larger than the sum of its proper divisors (1).

700668289 is an equidigital number, since it uses as much as digits as its factorization.

700668289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 700668289 is about 26470.1395727337. The cubic root of 700668289 is about 888.1864720977.

The spelling of 700668289 in words is "seven hundred million, six hundred sixty-eight thousand, two hundred eighty-nine".