2034234021 has 4 divisors (see below), whose sum is σ = 2712312032. Its totient is φ = 1356156012.

The previous prime is 2034233959. The next prime is 2034234049. The reversal of 2034234021 is 1204324302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2034234021 - 2¹⁰ = 2034232997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2034234421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339039001 + ... + 339039006.

It is an arithmetic number, because the mean of its divisors is an integer number (678078008).

Almost surely, 2^2034234021 is an apocalyptic number.

It is an amenable number.

2034234021 is a deficient number, since it is larger than the sum of its proper divisors (678078011).

2034234021 is an equidigital number, since it uses as much as digits as its factorization.

2034234021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678078010.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2034234021 is about 45102.4835347235. The cubic root of 2034234021 is about 1267.0691131719.

Adding to 2034234021 its reverse (1204324302), we get a palindrome (3238558323).

The spelling of 2034234021 in words is "two billion, thirty-four million, two hundred thirty-four thousand, twenty-one".