6975682561 has 4 divisors (see below), whose sum is σ = 6987446532. Its totient is φ = 6963918592.

The previous prime is 6975682537. The next prime is 6975682583. The reversal of 6975682561 is 1652865796.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5953665600 + 1022016961 = 77160^2 + 31969^2 .

It is a cyclic number.

It is not a de Polignac number, because 6975682561 - 2⁵ = 6975682529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6975682061) 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, 5881096 + ... + 5882281.

It is an arithmetic number, because the mean of its divisors is an integer number (1746861633).

Almost surely, 2^6975682561 is an apocalyptic number.

It is an amenable number.

6975682561 is a deficient number, since it is larger than the sum of its proper divisors (11763971).

6975682561 is a wasteful number, since it uses less digits than its factorization.

6975682561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11763970.

The product of its digits is 5443200, while the sum is 55.

The square root of 6975682561 is about 83520.5517283022. The cubic root of 6975682561 is about 1910.7134895499.

The spelling of 6975682561 in words is "six billion, nine hundred seventy-five million, six hundred eighty-two thousand, five hundred sixty-one".