2119659868 has 12 divisors (see below), whose sum is σ = 3729899992. Its totient is φ = 1053974160.

The previous prime is 2119659859. The next prime is 2119659869. The reversal of 2119659868 is 8689569112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119659869) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1463130 + ... + 1464577.

Almost surely, 2^2119659868 is an apocalyptic number.

It is an amenable number.

2119659868 is a deficient number, since it is larger than the sum of its proper divisors (1610240124).

2119659868 is a wasteful number, since it uses less digits than its factorization.

2119659868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927892 (or 2927890 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 55.

The square root of 2119659868 is about 46039.7639872317. The cubic root of 2119659868 is about 1284.5629520985.

The spelling of 2119659868 in words is "two billion, one hundred nineteen million, six hundred fifty-nine thousand, eight hundred sixty-eight".