2068282781 has 8 divisors (see below), whose sum is σ = 2190348864. Its totient is φ = 1946261440.

The previous prime is 2068282771. The next prime is 2068282789. The reversal of 2068282781 is 1872828602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2068282781 - 2⁶ = 2068282717 is a prime.

It is a super-2 number, since 2×2068282781² = 8555587324362187922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068282789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152816 + ... + 165798.

It is an arithmetic number, because the mean of its divisors is an integer number (273793608).

Almost surely, 2^2068282781 is an apocalyptic number.

It is an amenable number.

2068282781 is a deficient number, since it is larger than the sum of its proper divisors (122066083).

2068282781 is a wasteful number, since it uses less digits than its factorization.

2068282781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22371.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 2068282781 is about 45478.3770708674. The cubic root of 2068282781 is about 1274.0993831566.

The spelling of 2068282781 in words is "two billion, sixty-eight million, two hundred eighty-two thousand, seven hundred eighty-one".