2129696050 has 24 divisors (see below), whose sum is σ = 4026178692. Its totient is φ = 837912000.

The previous prime is 2129696027. The next prime is 2129696077. The reversal of 2129696050 is 506969212.

It can be written as a sum of positive squares in 6 ways, for example, as 14891881 + 2114804169 = 3859^2 + 45987^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2129695994 and 2129696012.

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 11 ways as a sum of consecutive naturals, for example, 346081 + ... + 352180.

Almost surely, 2^2129696050 is an apocalyptic number.

2129696050 is a deficient number, since it is larger than the sum of its proper divisors (1896482642).

2129696050 is a wasteful number, since it uses less digits than its factorization.

2129696050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698334 (or 698329 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 2129696050 is about 46148.6299904992. The cubic root of 2129696050 is about 1286.5871469405.

The spelling of 2129696050 in words is "two billion, one hundred twenty-nine million, six hundred ninety-six thousand, fifty".