2068209018 has 32 divisors (see below), whose sum is σ = 4866376320. Its totient is φ = 648849600.

The previous prime is 2068209007. The next prime is 2068209029. The reversal of 2068209018 is 8109028602.

It is an interprime number because it is at equal distance from previous prime (2068209007) and next prime (2068209029).

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 1125558 + ... + 1127393.

It is an arithmetic number, because the mean of its divisors is an integer number (152074260).

Almost surely, 2^2068209018 is an apocalyptic number.

2068209018 is an abundant number, since it is smaller than the sum of its proper divisors (2798167302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2068209018 is a wasteful number, since it uses less digits than its factorization.

2068209018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252979 (or 2252973 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 2068209018 is about 45477.5660958236. The cubic root of 2068209018 is about 1274.0842365318.

The spelling of 2068209018 in words is "two billion, sixty-eight million, two hundred nine thousand, eighteen".