2068149785 has 16 divisors (see below), whose sum is σ = 2676557520. Its totient is φ = 1525036800.

The previous prime is 2068149767. The next prime is 2068149823. The reversal of 2068149785 is 5879418602.

It can be written as a sum of positive squares in 8 ways, for example, as 5900041 + 2062249744 = 2429^2 + 45412^2 .

It is not a de Polignac number, because 2068149785 - 2²⁰ = 2067101209 is a prime.

It is an unprimeable number.

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, 22871 + ... + 68259.

It is an arithmetic number, because the mean of its divisors is an integer number (167284845).

Almost surely, 2^2068149785 is an apocalyptic number.

It is an amenable number.

2068149785 is a deficient number, since it is larger than the sum of its proper divisors (608407735).

2068149785 is a wasteful number, since it uses less digits than its factorization.

2068149785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46108.

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 2068149785 is about 45476.9148579804. The cubic root of 2068149785 is about 1274.0720732621.

The spelling of 2068149785 in words is "two billion, sixty-eight million, one hundred forty-nine thousand, seven hundred eighty-five".