2939630873 has 2 divisors, whose sum is σ = 2939630874. Its totient is φ = 2939630872.

The previous prime is 2939630761. The next prime is 2939630899. The reversal of 2939630873 is 3780369392.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2467307584 + 472323289 = 49672^2 + 21733^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2939630873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2939632873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1469815436 + 1469815437.

It is an arithmetic number, because the mean of its divisors is an integer number (1469815437).

Almost surely, 2^2939630873 is an apocalyptic number.

It is an amenable number.

2939630873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2939630873 is an equidigital number, since it uses as much as digits as its factorization.

2939630873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The square root of 2939630873 is about 54218.3628764278. The cubic root of 2939630873 is about 1432.5097941537.

The spelling of 2939630873 in words is "two billion, nine hundred thirty-nine million, six hundred thirty thousand, eight hundred seventy-three".