4234021342 has 4 divisors (see below), whose sum is σ = 6351032016. Its totient is φ = 2117010670.

The previous prime is 4234021339. The next prime is 4234021349. The reversal of 4234021342 is 2431204324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×4234021342² = 35853873449022961928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4234021349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058505334 + ... + 1058505337.

It is an arithmetic number, because the mean of its divisors is an integer number (1587758004).

Almost surely, 2^4234021342 is an apocalyptic number.

4234021342 is a deficient number, since it is larger than the sum of its proper divisors (2117010674).

4234021342 is a wasteful number, since it uses less digits than its factorization.

4234021342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117010673.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4234021342 is about 65069.3579344379. The cubic root of 4234021342 is about 1617.7733650396.

Adding to 4234021342 its reverse (2431204324), we get a palindrome (6665225666).

The spelling of 4234021342 in words is "four billion, two hundred thirty-four million, twenty-one thousand, three hundred forty-two".