2129768322 has 32 divisors (see below), whose sum is σ = 4772361024. Its totient is φ = 627940800.

The previous prime is 2129768299. The next prime is 2129768351. The reversal of 2129768322 is 2238679212.

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 in 15 ways as a sum of consecutive naturals, for example, 433629 + ... + 438512.

It is an arithmetic number, because the mean of its divisors is an integer number (149136282).

Almost surely, 2^2129768322 is an apocalyptic number.

2129768322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2129768322 is an abundant number, since it is smaller than the sum of its proper divisors (2642592702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2129768322 is a wasteful number, since it uses less digits than its factorization.

2129768322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872194.

The product of its digits is 145152, while the sum is 42.

The square root of 2129768322 is about 46149.4130190190. The cubic root of 2129768322 is about 1286.6017003748.

The spelling of 2129768322 in words is "two billion, one hundred twenty-nine million, seven hundred sixty-eight thousand, three hundred twenty-two".