2068539998 has 24 divisors (see below), whose sum is σ = 3632407992. Its totient is φ = 880863984.

The previous prime is 2068539971. The next prime is 2068540003. The reversal of 2068539998 is 8999358602.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51836 + ... + 82607.

It is an arithmetic number, because the mean of its divisors is an integer number (151350333).

Almost surely, 2^2068539998 is an apocalyptic number.

2068539998 is a deficient number, since it is larger than the sum of its proper divisors (1563867994).

2068539998 is a wasteful number, since it uses less digits than its factorization.

2068539998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134616 (or 134609 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 59.

The square root of 2068539998 is about 45481.2048872938. The cubic root of 2068539998 is about 1274.1521977330.

The spelling of 2068539998 in words is "two billion, sixty-eight million, five hundred thirty-nine thousand, nine hundred ninety-eight".