6946668461 has 2 divisors, whose sum is σ = 6946668462. Its totient is φ = 6946668460.

The previous prime is 6946668419. The next prime is 6946668467. The reversal of 6946668461 is 1648666496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6305312836 + 641355625 = 79406^2 + 25325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6946668461 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6946668397 and 6946668406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6946668467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3473334230 + 3473334231.

It is an arithmetic number, because the mean of its divisors is an integer number (3473334231).

Almost surely, 2^6946668461 is an apocalyptic number.

It is an amenable number.

6946668461 is a deficient number, since it is larger than the sum of its proper divisors (1).

6946668461 is an equidigital number, since it uses as much as digits as its factorization.

6946668461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8957952, while the sum is 56.

The square root of 6946668461 is about 83346.6763644478. The cubic root of 6946668461 is about 1908.0607182580.

The spelling of 6946668461 in words is "six billion, nine hundred forty-six million, six hundred sixty-eight thousand, four hundred sixty-one".