6983665290065 has 16 divisors (see below), whose sum is σ = 8670119608080. Its totient is φ = 5393817703680.

The previous prime is 6983665290059. The next prime is 6983665290079. The reversal of 6983665290065 is 5600925663896.

It can be written as a sum of positive squares in 8 ways, for example, as 765245297089 + 6218419992976 = 874783^2 + 2493676^2 .

It is not a de Polignac number, because 6983665290065 - 2³⁸ = 6708787383121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6983665289983 and 6983665290010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356306 + ... + 3754235.

It is an arithmetic number, because the mean of its divisors is an integer number (541882475505).

Almost surely, 2^{6983665290065} is an apocalyptic number.

It is an amenable number.

6983665290065 is a deficient number, since it is larger than the sum of its proper divisors (1686454318015).

6983665290065 is a wasteful number, since it uses less digits than its factorization.

6983665290065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122292.

The product of its (nonzero) digits is 125971200, while the sum is 65.

The spelling of 6983665290065 in words is "six trillion, nine hundred eighty-three billion, six hundred sixty-five million, two hundred ninety thousand, sixty-five".