6966540576461 has 2 divisors, whose sum is σ = 6966540576462. Its totient is φ = 6966540576460.

The previous prime is 6966540576427. The next prime is 6966540576487. The reversal of 6966540576461 is 1646750456696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4962246312100 + 2004294264361 = 2227610^2 + 1415731^2 .

It is a cyclic number.

It is not a de Polignac number, because 6966540576461 - 2¹⁰ = 6966540575437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6966540576421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3483270288230 + 3483270288231.

It is an arithmetic number, because the mean of its divisors is an integer number (3483270288231).

Almost surely, 2^{6966540576461} is an apocalyptic number.

It is an amenable number.

6966540576461 is a deficient number, since it is larger than the sum of its proper divisors (1).

6966540576461 is an equidigital number, since it uses as much as digits as its factorization.

6966540576461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 195955200, while the sum is 65.

The spelling of 6966540576461 in words is "six trillion, nine hundred sixty-six billion, five hundred forty million, five hundred seventy-six thousand, four hundred sixty-one".