2939492609 has 2 divisors, whose sum is σ = 2939492610. Its totient is φ = 2939492608.

The previous prime is 2939492573. The next prime is 2939492629. The reversal of 2939492609 is 9062949392.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2442336400 + 497156209 = 49420^2 + 22297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2939492609 is a prime.

It is not a weakly prime, because it can be changed into another prime (2939492629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1469746304 + 1469746305.

It is an arithmetic number, because the mean of its divisors is an integer number (1469746305).

Almost surely, 2^2939492609 is an apocalyptic number.

It is an amenable number.

2939492609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2939492609 is an equidigital number, since it uses as much as digits as its factorization.

2939492609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1889568, while the sum is 53.

The square root of 2939492609 is about 54217.0877952699. The cubic root of 2939492609 is about 1432.4873346853.

The spelling of 2939492609 in words is "two billion, nine hundred thirty-nine million, four hundred ninety-two thousand, six hundred nine".