2068309790 has 24 divisors (see below), whose sum is σ = 3929222520. Its totient is φ = 783779184.

The previous prime is 2068309729. The next prime is 2068309849. The reversal of 2068309790 is 979038602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282860 + ... + 290079.

It is an arithmetic number, because the mean of its divisors is an integer number (163717605).

Almost surely, 2^2068309790 is an apocalyptic number.

2068309790 is a deficient number, since it is larger than the sum of its proper divisors (1860912730).

2068309790 is a wasteful number, since it uses less digits than its factorization.

2068309790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572984 (or 572965 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 2068309790 is about 45478.6740132120. The cubic root of 2068309790 is about 1274.1049291424.

The spelling of 2068309790 in words is "two billion, sixty-eight million, three hundred nine thousand, seven hundred ninety".