1488066689 has 2 divisors, whose sum is σ = 1488066690. Its totient is φ = 1488066688.

The previous prime is 1488066617. The next prime is 1488066707. The reversal of 1488066689 is 9866608841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1071580225 + 416486464 = 32735^2 + 20408^2 .

It is an emirp because it is prime and its reverse (9866608841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1488066689 is a prime.

It is a super-2 number, since 2×1488066689² = 4428684941822845442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1488066089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744033344 + 744033345.

It is an arithmetic number, because the mean of its divisors is an integer number (744033345).

Almost surely, 2^1488066689 is an apocalyptic number.

It is an amenable number.

1488066689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1488066689 is an equidigital number, since it uses as much as digits as its factorization.

1488066689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The square root of 1488066689 is about 38575.4674501813. The cubic root of 1488066689 is about 1141.6705499172.

The spelling of 1488066689 in words is "one billion, four hundred eighty-eight million, sixty-six thousand, six hundred eighty-nine".