2089049779 has 4 divisors (see below), whose sum is σ = 2137632376. Its totient is φ = 2040467184.

The previous prime is 2089049723. The next prime is 2089049813. The reversal of 2089049779 is 9779409802.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2089049779 - 2¹¹ = 2089047731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2089049719) 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 in 3 ways as a sum of consecutive naturals, for example, 24291234 + ... + 24291319.

It is an arithmetic number, because the mean of its divisors is an integer number (534408094).

Almost surely, 2^2089049779 is an apocalyptic number.

2089049779 is a deficient number, since it is larger than the sum of its proper divisors (48582597).

2089049779 is an equidigital number, since it uses as much as digits as its factorization.

2089049779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48582596.

The product of its (nonzero) digits is 2286144, while the sum is 55.

The square root of 2089049779 is about 45706.1240863847. The cubic root of 2089049779 is about 1278.3494715166.

The spelling of 2089049779 in words is "two billion, eighty-nine million, forty-nine thousand, seven hundred seventy-nine".