706993489 has 2 divisors, whose sum is σ = 706993490. Its totient is φ = 706993488.

The previous prime is 706993459. The next prime is 706993513. The reversal of 706993489 is 984399607.

706993489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354192400 + 352801089 = 18820^2 + 18783^2 .

It is an emirp because it is prime and its reverse (984399607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 706993489 - 2¹³ = 706985297 is a prime.

It is not a weakly prime, because it can be changed into another prime (706993459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353496744 + 353496745.

It is an arithmetic number, because the mean of its divisors is an integer number (353496745).

Almost surely, 2^706993489 is an apocalyptic number.

It is an amenable number.

706993489 is a deficient number, since it is larger than the sum of its proper divisors (1).

706993489 is an equidigital number, since it uses as much as digits as its factorization.

706993489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The square root of 706993489 is about 26589.3491646561. The cubic root of 706993489 is about 890.8511358622.

The spelling of 706993489 in words is "seven hundred six million, nine hundred ninety-three thousand, four hundred eighty-nine".