709680659 has 2 divisors, whose sum is σ = 709680660. Its totient is φ = 709680658.

The previous prime is 709680637. The next prime is 709680701. The reversal of 709680659 is 956086907.

709680659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 709680659 - 2¹² = 709676563 is a prime.

It is a super-3 number, since 3×709680659³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (709680859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354840329 + 354840330.

It is an arithmetic number, because the mean of its divisors is an integer number (354840330).

Almost surely, 2^709680659 is an apocalyptic number.

709680659 is a deficient number, since it is larger than the sum of its proper divisors (1).

709680659 is an equidigital number, since it uses as much as digits as its factorization.

709680659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 709680659 is about 26639.8321879099. The cubic root of 709680659 is about 891.9783701613.

The spelling of 709680659 in words is "seven hundred nine million, six hundred eighty thousand, six hundred fifty-nine".