7684913009 has 2 divisors, whose sum is σ = 7684913010. Its totient is φ = 7684913008.

The previous prime is 7684913003. The next prime is 7684913021. The reversal of 7684913009 is 9003194867.

7684913009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4643059600 + 3041853409 = 68140^2 + 55153^2 .

It is a cyclic number.

It is not a de Polignac number, because 7684913009 - 2²⁴ = 7668135793 is a prime.

It is not a weakly prime, because it can be changed into another prime (7684913003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3842456504 + 3842456505.

It is an arithmetic number, because the mean of its divisors is an integer number (3842456505).

Almost surely, 2^7684913009 is an apocalyptic number.

It is an amenable number.

7684913009 is a deficient number, since it is larger than the sum of its proper divisors (1).

7684913009 is an equidigital number, since it uses as much as digits as its factorization.

7684913009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 7684913009 is about 87663.6356136340. The cubic root of 7684913009 is about 1973.3902823577.

The spelling of 7684913009 in words is "seven billion, six hundred eighty-four million, nine hundred thirteen thousand, nine".