2705488139 has 2 divisors, whose sum is σ = 2705488140. Its totient is φ = 2705488138.

The previous prime is 2705488117. The next prime is 2705488151. The reversal of 2705488139 is 9318845072.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2705488139 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2705488093 and 2705488102.

It is not a weakly prime, because it can be changed into another prime (2705488189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1352744069 + 1352744070.

It is an arithmetic number, because the mean of its divisors is an integer number (1352744070).

Almost surely, 2^2705488139 is an apocalyptic number.

2705488139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2705488139 is an equidigital number, since it uses as much as digits as its factorization.

2705488139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 2705488139 is about 52014.3070606540. The cubic root of 2705488139 is about 1393.4194813623.

The spelling of 2705488139 in words is "two billion, seven hundred five million, four hundred eighty-eight thousand, one hundred thirty-nine".