427010489 has 2 divisors, whose sum is σ = 427010490. Its totient is φ = 427010488.

The previous prime is 427010459. The next prime is 427010491. The reversal of 427010489 is 984010724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216325264 + 210685225 = 14708^2 + 14515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427010489 is a prime.

Together with 427010491, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_22697621 and since 427010489 and 22697621 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (427010429) 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, 213505244 + 213505245.

It is an arithmetic number, because the mean of its divisors is an integer number (213505245).

Almost surely, 2^427010489 is an apocalyptic number.

It is an amenable number.

427010489 is a deficient number, since it is larger than the sum of its proper divisors (1).

427010489 is an equidigital number, since it uses as much as digits as its factorization.

427010489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 427010489 is about 20664.2321173568. The cubic root of 427010489 is about 753.0309870630.

The spelling of 427010489 in words is "four hundred twenty-seven million, ten thousand, four hundred eighty-nine".