7685360689 has 2 divisors, whose sum is σ = 7685360690. Its totient is φ = 7685360688.

The previous prime is 7685360647. The next prime is 7685360699. The reversal of 7685360689 is 9860635867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7664127025 + 21233664 = 87545^2 + 4608^2 .

It is a cyclic number.

It is not a de Polignac number, because 7685360689 - 2¹¹ = 7685358641 is a prime.

It is not a weakly prime, because it can be changed into another prime (7685360699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3842680344 + 3842680345.

It is an arithmetic number, because the mean of its divisors is an integer number (3842680345).

Almost surely, 2^7685360689 is an apocalyptic number.

It is an amenable number.

7685360689 is a deficient number, since it is larger than the sum of its proper divisors (1).

7685360689 is an equidigital number, since it uses as much as digits as its factorization.

7685360689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The square root of 7685360689 is about 87666.1889727163. The cubic root of 7685360689 is about 1973.4286011696.

The spelling of 7685360689 in words is "seven billion, six hundred eighty-five million, three hundred sixty thousand, six hundred eighty-nine".