7680696759649 has 27 divisors (see below), whose sum is σ = 7904792698257. Its totient is φ = 7462911283368.

The previous prime is 7680696759611. The next prime is 7680696759661. The reversal of 7680696759649 is 9469576960867.

The square root of 7680696759649 is 2771407.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 7680696759649 - 2¹³ = 7680696751457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7680696759149) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17495892172 + ... + 17495892610.

Almost surely, 2^{7680696759649} is an apocalyptic number.

7680696759649 is the 2771407-th square number.

7680696759649 is the 1385704-th centered octagonal number.

It is an amenable number.

7680696759649 is a deficient number, since it is larger than the sum of its proper divisors (224095938608).

7680696759649 is an frugal number, since it uses more digits than its factorization.

7680696759649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 7407106560, while the sum is 82.

The spelling of 7680696759649 in words is "seven trillion, six hundred eighty billion, six hundred ninety-six million, seven hundred fifty-nine thousand, six hundred forty-nine".