2019068668 has 18 divisors (see below), whose sum is σ = 3729127416. Its totient is φ = 956400264.

The previous prime is 2019068663. The next prime is 2019068717. The reversal of 2019068668 is 8668609102.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2019068663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 697680 + ... + 700567.

Almost surely, 2^2019068668 is an apocalyptic number.

It is an amenable number.

2019068668 is a deficient number, since it is larger than the sum of its proper divisors (1710058748).

2019068668 is a wasteful number, since it uses less digits than its factorization.

2019068668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398289 (or 1398268 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 2019068668 is about 44934.0479814583. The cubic root of 2019068668 is about 1263.9125605473.

The spelling of 2019068668 in words is "two billion, nineteen million, sixty-eight thousand, six hundred sixty-eight".