6980463657561 has 8 divisors (see below), whose sum is σ = 9307297926784. Its totient is φ = 4653635913360.

The previous prime is 6980463657529. The next prime is 6980463657569. The reversal of 6980463657561 is 1657563640896.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6980463657561 - 2⁵ = 6980463657529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6980463657492 and 6980463657501.

It is not an unprimeable number, because it can be changed into a prime (6980463657569) 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 7 ways as a sum of consecutive naturals, for example, 2054880 + ... + 4264206.

It is an arithmetic number, because the mean of its divisors is an integer number (1163412240848).

Almost surely, 2^{6980463657561} is an apocalyptic number.

It is an amenable number.

6980463657561 is a deficient number, since it is larger than the sum of its proper divisors (2326834269223).

6980463657561 is a wasteful number, since it uses less digits than its factorization.

6980463657561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262511.

The product of its (nonzero) digits is 195955200, while the sum is 66.

The spelling of 6980463657561 in words is "six trillion, nine hundred eighty billion, four hundred sixty-three million, six hundred fifty-seven thousand, five hundred sixty-one".