2129808368 has 10 divisors (see below), whose sum is σ = 4126503744. Its totient is φ = 1064904176.

The previous prime is 2129808323. The next prime is 2129808377. The reversal of 2129808368 is 8638089212.

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 as a sum of consecutive naturals, namely, 66556496 + ... + 66556527.

Almost surely, 2^2129808368 is an apocalyptic number.

It is an amenable number.

2129808368 is a deficient number, since it is larger than the sum of its proper divisors (1996695376).

2129808368 is a wasteful number, since it uses less digits than its factorization.

2129808368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133113031 (or 133113025 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 2129808368 is about 46149.8468903202. The cubic root of 2129808368 is about 1286.6097643080.

The spelling of 2129808368 in words is "two billion, one hundred twenty-nine million, eight hundred eight thousand, three hundred sixty-eight".