2129653296 has 50 divisors (see below), whose sum is σ = 6163838252. Its totient is φ = 709884000.

The previous prime is 2129653277. The next prime is 2129653297. The reversal of 2129653296 is 6923569212.

2129653296 is a `hidden beast` number, since 2 + 1 + 29 + 6 + 532 + 96 = 666.

It is a super-2 number, since 2×2129653296² = 9070846322327327232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2129653297) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 820330 + ... + 822921.

Almost surely, 2^2129653296 is an apocalyptic number.

It is an amenable number.

2129653296 is an abundant number, since it is smaller than the sum of its proper divisors (4034184956).

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

2129653296 is a wasteful number, since it uses less digits than its factorization.

2129653296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643271 (or 1643256 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 2129653296 is about 46148.1667674893. The cubic root of 2129653296 is about 1286.5785373997.

The spelling of 2129653296 in words is "two billion, one hundred twenty-nine million, six hundred fifty-three thousand, two hundred ninety-six".