6979098681 has 9 divisors (see below), whose sum is σ = 10081282341. Its totient is φ = 4652565372.

The previous prime is 6979098661. The next prime is 6979098683. The reversal of 6979098681 is 1868909796.

The square root of 6979098681 is 83541.

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

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-6979098681 is a prime.

It is a super-2 number, since 2×6979098681² = 97415636798271879522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6979098683) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 236700 + ... + 264546.

Almost surely, 2^6979098681 is an apocalyptic number.

6979098681 is the 83541-st square number.

6979098681 is the 41771-st centered octagonal number.

It is an amenable number.

6979098681 is a deficient number, since it is larger than the sum of its proper divisors (3102183660).

6979098681 is an frugal number, since it uses more digits than its factorization.

6979098681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55700 (or 27850 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The cubic root of 6979098681 is about 1911.0253424903.

The spelling of 6979098681 in words is "six billion, nine hundred seventy-nine million, ninety-eight thousand, six hundred eighty-one".