2005711049 has 16 divisors (see below), whose sum is σ = 2090979264. Its totient is φ = 1922356800.

The previous prime is 2005711033. The next prime is 2005711061. The reversal of 2005711049 is 9401175002.

It is a cyclic number.

It is not a de Polignac number, because 2005711049 - 2⁴ = 2005711033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005719049) 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 15 ways as a sum of consecutive naturals, for example, 1712234 + ... + 1713404.

It is an arithmetic number, because the mean of its divisors is an integer number (130686204).

Almost surely, 2^2005711049 is an apocalyptic number.

It is an amenable number.

2005711049 is a deficient number, since it is larger than the sum of its proper divisors (85268215).

2005711049 is a wasteful number, since it uses less digits than its factorization.

2005711049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 2005711049 is about 44785.1655015363. The cubic root of 2005711049 is about 1261.1191553530.

The spelling of 2005711049 in words is "two billion, five million, seven hundred eleven thousand, forty-nine".