94681289 has 2 divisors, whose sum is σ = 94681290. Its totient is φ = 94681288.

The previous prime is 94681273. The next prime is 94681291. The reversal of 94681289 is 98218649.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70425664 + 24255625 = 8392^2 + 4925^2 .

It is an emirp because it is prime and its reverse (98218649) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94681289 - 2⁴ = 94681273 is a prime.

Together with 94681291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (94681189) 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, 47340644 + 47340645.

It is an arithmetic number, because the mean of its divisors is an integer number (47340645).

Almost surely, 2^94681289 is an apocalyptic number.

It is an amenable number.

94681289 is a deficient number, since it is larger than the sum of its proper divisors (1).

94681289 is an equidigital number, since it uses as much as digits as its factorization.

94681289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 47.

The square root of 94681289 is about 9730.4310798649. The cubic root of 94681289 is about 455.7794296575.

The spelling of 94681289 in words is "ninety-four million, six hundred eighty-one thousand, two hundred eighty-nine".