4334024021 has 4 divisors (see below), whose sum is σ = 4522459872. Its totient is φ = 4145588172.

The previous prime is 4334024017. The next prime is 4334024027. The reversal of 4334024021 is 1204204334.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1204204334 = 2 ⋅602102167.

It is not a de Polignac number, because 4334024021 - 2² = 4334024017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 188435827 = 4334024021 / (4 + 3 + 3 + 4 + 0 + 2 + 4 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4334024027) 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, 94217891 + ... + 94217936.

It is an arithmetic number, because the mean of its divisors is an integer number (1130614968).

Almost surely, 2^4334024021 is an apocalyptic number.

It is an amenable number.

4334024021 is a deficient number, since it is larger than the sum of its proper divisors (188435851).

4334024021 is a wasteful number, since it uses less digits than its factorization.

4334024021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188435850.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4334024021 is about 65833.3048008377. The cubic root of 4334024021 is about 1630.4110297449.

Adding to 4334024021 its reverse (1204204334), we get a palindrome (5538228355).

The spelling of 4334024021 in words is "four billion, three hundred thirty-four million, twenty-four thousand, twenty-one".