2011289779 has 2 divisors, whose sum is σ = 2011289780. Its totient is φ = 2011289778.

The previous prime is 2011289723. The next prime is 2011289789. The reversal of 2011289779 is 9779821102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011289779 - 2¹⁷ = 2011158707 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011289789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005644889 + 1005644890.

It is an arithmetic number, because the mean of its divisors is an integer number (1005644890).

Almost surely, 2^2011289779 is an apocalyptic number.

2011289779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011289779 is an equidigital number, since it uses as much as digits as its factorization.

2011289779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 2011289779 is about 44847.4054879432. The cubic root of 2011289779 is about 1262.2873080775.

The spelling of 2011289779 in words is "two billion, eleven million, two hundred eighty-nine thousand, seven hundred seventy-nine".