7680709969 has 4 divisors (see below), whose sum is σ = 7759892644. Its totient is φ = 7601527296.

The previous prime is 7680709963. The next prime is 7680709991. The reversal of 7680709969 is 9699070867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9699070867 = 1327 ⋅7309021.

It can be written as a sum of positive squares in 2 ways, for example, as 2372858944 + 5307851025 = 48712^2 + 72855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7680709969 is a prime.

It is a super-3 number, since 3×7680709969³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7680709963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39591192 + ... + 39591385.

It is an arithmetic number, because the mean of its divisors is an integer number (1939973161).

Almost surely, 2^7680709969 is an apocalyptic number.

It is an amenable number.

7680709969 is a deficient number, since it is larger than the sum of its proper divisors (79182675).

7680709969 is an equidigital number, since it uses as much as digits as its factorization.

7680709969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79182674.

The product of its (nonzero) digits is 10287648, while the sum is 61.

The square root of 7680709969 is about 87639.6597950951. The cubic root of 7680709969 is about 1973.0304539147.

The spelling of 7680709969 in words is "seven billion, six hundred eighty million, seven hundred nine thousand, nine hundred sixty-nine".