7969666333361 has 2 divisors, whose sum is σ = 7969666333362. Its totient is φ = 7969666333360.

The previous prime is 7969666333273. The next prime is 7969666333367. The reversal of 7969666333361 is 1633336669697.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6027319603600 + 1942346729761 = 2455060^2 + 1393681^2 .

It is a cyclic number.

It is not a de Polignac number, because 7969666333361 - 2¹⁰ = 7969666332337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7969666333291 and 7969666333300.

It is not a weakly prime, because it can be changed into another prime (7969666333367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3984833166680 + 3984833166681.

It is an arithmetic number, because the mean of its divisors is an integer number (3984833166681).

Almost surely, 2^{7969666333361} is an apocalyptic number.

It is an amenable number.

7969666333361 is a deficient number, since it is larger than the sum of its proper divisors (1).

7969666333361 is an equidigital number, since it uses as much as digits as its factorization.

7969666333361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 357128352, while the sum is 68.

The spelling of 7969666333361 in words is "seven trillion, nine hundred sixty-nine billion, six hundred sixty-six million, three hundred thirty-three thousand, three hundred sixty-one".