2946107561 has 2 divisors, whose sum is σ = 2946107562. Its totient is φ = 2946107560.

The previous prime is 2946107543. The next prime is 2946107569. The reversal of 2946107561 is 1657016492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2555808025 + 390299536 = 50555^2 + 19756^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2946107561 is a prime.

It is not a weakly prime, because it can be changed into another prime (2946107569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473053780 + 1473053781.

It is an arithmetic number, because the mean of its divisors is an integer number (1473053781).

Almost surely, 2^2946107561 is an apocalyptic number.

It is an amenable number.

2946107561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2946107561 is an equidigital number, since it uses as much as digits as its factorization.

2946107561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 2946107561 is about 54278.0578226598. The cubic root of 2946107561 is about 1433.5610728029.

The spelling of 2946107561 in words is "two billion, nine hundred forty-six million, one hundred seven thousand, five hundred sixty-one".