9486698779691 has 4 divisors (see below), whose sum is σ = 10841941462512. Its totient is φ = 8131456096872.

The previous prime is 9486698779639. The next prime is 9486698779699. The reversal of 9486698779691 is 1969778966849.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9486698779691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9486698779597 and 9486698779606.

It is not an unprimeable number, because it can be changed into a prime (9486698779699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677621341400 + ... + 677621341413.

It is an arithmetic number, because the mean of its divisors is an integer number (2710485365628).

Almost surely, 2^{9486698779691} is an apocalyptic number.

9486698779691 is a deficient number, since it is larger than the sum of its proper divisors (1355242682821).

9486698779691 is a wasteful number, since it uses less digits than its factorization.

9486698779691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355242682820.

The product of its digits is 17777055744, while the sum is 89.

The spelling of 9486698779691 in words is "nine trillion, four hundred eighty-six billion, six hundred ninety-eight million, seven hundred seventy-nine thousand, six hundred ninety-one".