7688969459 has 2 divisors, whose sum is σ = 7688969460. Its totient is φ = 7688969458.

The previous prime is 7688969441. The next prime is 7688969461. The reversal of 7688969459 is 9549698867.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7688969459 - 2⁸ = 7688969203 is a prime.

Together with 7688969461, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7688969392 and 7688969401.

It is not a weakly prime, because it can be changed into another prime (7688969479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3844484729 + 3844484730.

It is an arithmetic number, because the mean of its divisors is an integer number (3844484730).

Almost surely, 2^7688969459 is an apocalyptic number.

7688969459 is a deficient number, since it is larger than the sum of its proper divisors (1).

7688969459 is an equidigital number, since it uses as much as digits as its factorization.

7688969459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235146240, while the sum is 71.

The square root of 7688969459 is about 87686.7690076445. The cubic root of 7688969459 is about 1973.7374366219.

The spelling of 7688969459 in words is "seven billion, six hundred eighty-eight million, nine hundred sixty-nine thousand, four hundred fifty-nine".