2129309433 has 12 divisors (see below), whose sum is σ = 3209394240. Its totient is φ = 1357820376.

The previous prime is 2129309419. The next prime is 2129309453. The reversal of 2129309433 is 3349039212.

2129309433 is a `hidden beast` number, since 212 + 9 + 3 + 0 + 9 + 433 = 666.

It is not a de Polignac number, because 2129309433 - 2⁴ = 2129309417 is a prime.

It is a super-2 number, since 2×2129309433² = 9067917322925562978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2129309453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5143053 + ... + 5143466.

It is an arithmetic number, because the mean of its divisors is an integer number (267449520).

Almost surely, 2^2129309433 is an apocalyptic number.

2129309433 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2129309433 is a deficient number, since it is larger than the sum of its proper divisors (1080084807).

2129309433 is a wasteful number, since it uses less digits than its factorization.

2129309433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10286548 (or 10286545 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 2129309433 is about 46144.4409761349. The cubic root of 2129309433 is about 1286.5092881672.

The spelling of 2129309433 in words is "two billion, one hundred twenty-nine million, three hundred nine thousand, four hundred thirty-three".