489070669 has 2 divisors, whose sum is σ = 489070670. Its totient is φ = 489070668.

The previous prime is 489070661. The next prime is 489070679. The reversal of 489070669 is 966070984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 380640100 + 108430569 = 19510^2 + 10413^2 .

It is a cyclic number.

It is not a de Polignac number, because 489070669 - 2³ = 489070661 is a prime.

It is a super-2 number, since 2×489070669² = 478380238552215122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489070661) 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, 244535334 + 244535335.

It is an arithmetic number, because the mean of its divisors is an integer number (244535335).

Almost surely, 2^489070669 is an apocalyptic number.

It is an amenable number.

489070669 is a deficient number, since it is larger than the sum of its proper divisors (1).

489070669 is an equidigital number, since it uses as much as digits as its factorization.

489070669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 489070669 is about 22114.9422110934. The cubic root of 489070669 is about 787.8747927574.

The spelling of 489070669 in words is "four hundred eighty-nine million, seventy thousand, six hundred sixty-nine".