2068686754 has 12 divisors (see below), whose sum is σ = 3213723474. Its totient is φ = 998675552.

The previous prime is 2068686713. The next prime is 2068686791. The reversal of 2068686754 is 4576868602.

It can be written as a sum of positive squares in 3 ways, for example, as 2067793729 + 893025 = 45473^2 + 945^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 613267 + ... + 616630.

Almost surely, 2^2068686754 is an apocalyptic number.

2068686754 is a deficient number, since it is larger than the sum of its proper divisors (1145036720).

2068686754 is a wasteful number, since it uses less digits than its factorization.

2068686754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229957 (or 1229928 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The square root of 2068686754 is about 45482.8182284256. The cubic root of 2068686754 is about 1274.1823293006.

The spelling of 2068686754 in words is "two billion, sixty-eight million, six hundred eighty-six thousand, seven hundred fifty-four".