2129017922 has 8 divisors (see below), whose sum is σ = 3196087500. Its totient is φ = 1063655424.

The previous prime is 2129017883. The next prime is 2129017927. The reversal of 2129017922 is 2297109212.

It can be written as a sum of positive squares in 2 ways, for example, as 2115172081 + 13845841 = 45991^2 + 3721^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2129017927) 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 3 ways as a sum of consecutive naturals, for example, 423647 + ... + 428642.

Almost surely, 2^2129017922 is an apocalyptic number.

2129017922 is a deficient number, since it is larger than the sum of its proper divisors (1067069578).

2129017922 is a wasteful number, since it uses less digits than its factorization.

2129017922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853540.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 2129017922 is about 46141.2821885131. The cubic root of 2129017922 is about 1286.4505760610.

The spelling of 2129017922 in words is "two billion, one hundred twenty-nine million, seventeen thousand, nine hundred twenty-two".