2709189779 has 2 divisors, whose sum is σ = 2709189780. Its totient is φ = 2709189778.

The previous prime is 2709189701. The next prime is 2709189787. The reversal of 2709189779 is 9779819072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2709189779 - 2²⁴ = 2692412563 is a prime.

It is not a weakly prime, because it can be changed into another prime (2709189079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1354594889 + 1354594890.

It is an arithmetic number, because the mean of its divisors is an integer number (1354594890).

Almost surely, 2^2709189779 is an apocalyptic number.

2709189779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2709189779 is an equidigital number, since it uses as much as digits as its factorization.

2709189779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000752, while the sum is 59.

The square root of 2709189779 is about 52049.8778000487. The cubic root of 2709189779 is about 1394.0546824120.

The spelling of 2709189779 in words is "two billion, seven hundred nine million, one hundred eighty-nine thousand, seven hundred seventy-nine".