2068771811 has 16 divisors (see below), whose sum is σ = 2185920000. Its totient is φ = 1954977696.

The previous prime is 2068771807. The next prime is 2068771841. The reversal of 2068771811 is 1181778602.

It is not a de Polignac number, because 2068771811 - 2² = 2068771807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2068771841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406400 + ... + 411458.

It is an arithmetic number, because the mean of its divisors is an integer number (136620000).

Almost surely, 2^2068771811 is an apocalyptic number.

2068771811 is a deficient number, since it is larger than the sum of its proper divisors (117148189).

2068771811 is a wasteful number, since it uses less digits than its factorization.

2068771811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386.

The product of its (nonzero) digits is 37632, while the sum is 41.

The square root of 2068771811 is about 45483.7532642151. The cubic root of 2068771811 is about 1274.1997923345.

The spelling of 2068771811 in words is "two billion, sixty-eight million, seven hundred seventy-one thousand, eight hundred eleven".