2129295466 has 8 divisors (see below), whose sum is σ = 3194960580. Its totient is φ = 1064308608.

The previous prime is 2129295451. The next prime is 2129295479. The reversal of 2129295466 is 6645929212.

It can be written as a sum of positive squares in 2 ways, for example, as 2100297241 + 28998225 = 45829^2 + 5385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 161641 + ... + 174316.

Almost surely, 2^2129295466 is an apocalyptic number.

2129295466 is a deficient number, since it is larger than the sum of its proper divisors (1065665114).

2129295466 is a wasteful number, since it uses less digits than its factorization.

2129295466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339128.

The product of its digits is 466560, while the sum is 46.

The square root of 2129295466 is about 46144.2896358802. The cubic root of 2129295466 is about 1286.5064752498.

The spelling of 2129295466 in words is "two billion, one hundred twenty-nine million, two hundred ninety-five thousand, four hundred sixty-six".