2129740768 has 24 divisors (see below), whose sum is σ = 4203730440. Its totient is φ = 1062126720.

The previous prime is 2129740727. The next prime is 2129740771. The reversal of 2129740768 is 8670479212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73098 + ... + 97993.

It is an arithmetic number, because the mean of its divisors is an integer number (175155435).

Almost surely, 2^2129740768 is an apocalyptic number.

It is an amenable number.

2129740768 is a deficient number, since it is larger than the sum of its proper divisors (2073989672).

2129740768 is a wasteful number, since it uses less digits than its factorization.

2129740768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171490 (or 171482 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 2129740768 is about 46149.1144877125. The cubic root of 2129740768 is about 1286.5961518564.

The spelling of 2129740768 in words is "two billion, one hundred twenty-nine million, seven hundred forty thousand, seven hundred sixty-eight".