2129788298 has 16 divisors (see below), whose sum is σ = 3498678144. Its totient is φ = 964316160.

The previous prime is 2129788289. The next prime is 2129788303. The reversal of 2129788298 is 8928879212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182690 + ... + 193997.

It is an arithmetic number, because the mean of its divisors is an integer number (218667384).

Almost surely, 2^2129788298 is an apocalyptic number.

2129788298 is a deficient number, since it is larger than the sum of its proper divisors (1368889846).

2129788298 is a wasteful number, since it uses less digits than its factorization.

2129788298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376957.

The product of its digits is 2322432, while the sum is 56.

The square root of 2129788298 is about 46149.6294459663. The cubic root of 2129788298 is about 1286.6057228898.

The spelling of 2129788298 in words is "two billion, one hundred twenty-nine million, seven hundred eighty-eight thousand, two hundred ninety-eight".