489089893 has 2 divisors, whose sum is σ = 489089894. Its totient is φ = 489089892.

The previous prime is 489089891. The next prime is 489089897. The reversal of 489089893 is 398980984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 403286724 + 85803169 = 20082^2 + 9263^2 .

It is a cyclic number.

It is not a de Polignac number, because 489089893 - 2¹ = 489089891 is a prime.

It is a super-3 number, since 3×489089893³ (a number of 27 digits) contains 333 as substring.

Together with 489089891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489089891) 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, 244544946 + 244544947.

It is an arithmetic number, because the mean of its divisors is an integer number (244544947).

Almost surely, 2^489089893 is an apocalyptic number.

It is an amenable number.

489089893 is a deficient number, since it is larger than the sum of its proper divisors (1).

489089893 is an equidigital number, since it uses as much as digits as its factorization.

489089893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4478976, while the sum is 58.

The square root of 489089893 is about 22115.3768450822. The cubic root of 489089893 is about 787.8851156736.

The spelling of 489089893 in words is "four hundred eighty-nine million, eighty-nine thousand, eight hundred ninety-three".