2946666673 has 2 divisors, whose sum is σ = 2946666674. Its totient is φ = 2946666672.

The previous prime is 2946666631. The next prime is 2946666683. The reversal of 2946666673 is 3766666492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1774768384 + 1171898289 = 42128^2 + 34233^2 .

It is a cyclic number.

It is not a de Polignac number, because 2946666673 - 2⁹ = 2946666161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2946666683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473333336 + 1473333337.

It is an arithmetic number, because the mean of its divisors is an integer number (1473333337).

Almost surely, 2^2946666673 is an apocalyptic number.

It is an amenable number.

2946666673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2946666673 is an equidigital number, since it uses as much as digits as its factorization.

2946666673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 55.

The square root of 2946666673 is about 54283.2080205288. The cubic root of 2946666673 is about 1433.6517540926.

The spelling of 2946666673 in words is "two billion, nine hundred forty-six million, six hundred sixty-six thousand, six hundred seventy-three".