2129829915 has 16 divisors (see below), whose sum is σ = 3408523776. Its totient is φ = 1135644000.

The previous prime is 2129829907. The next prime is 2129829917. The reversal of 2129829915 is 5199289212.

It is not a de Polignac number, because 2129829915 - 2³ = 2129829907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2129829917) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 61710 + ... + 89820.

It is an arithmetic number, because the mean of its divisors is an integer number (213032736).

Almost surely, 2^2129829915 is an apocalyptic number.

2129829915 is a deficient number, since it is larger than the sum of its proper divisors (1278693861).

2129829915 is a wasteful number, since it uses less digits than its factorization.

2129829915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33170.

The product of its digits is 233280, while the sum is 48.

The square root of 2129829915 is about 46150.0803357914. The cubic root of 2129829915 is about 1286.6141031158.

The spelling of 2129829915 in words is "two billion, one hundred twenty-nine million, eight hundred twenty-nine thousand, nine hundred fifteen".