4134421421 has 8 divisors (see below), whose sum is σ = 4484487840. Its totient is φ = 3788931312.

The previous prime is 4134421391. The next prime is 4134421441. The reversal of 4134421421 is 1241244314.

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

It is a cyclic number.

It is not a de Polignac number, because 4134421421 - 2³⁰ = 3060679597 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 (4134421441) 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 in 7 ways as a sum of consecutive naturals, for example, 1142195 + ... + 1145808.

It is an arithmetic number, because the mean of its divisors is an integer number (560560980).

Almost surely, 2^4134421421 is an apocalyptic number.

It is an amenable number.

4134421421 is a deficient number, since it is larger than the sum of its proper divisors (350066419).

4134421421 is a wasteful number, since it uses less digits than its factorization.

4134421421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288155.

The product of its digits is 3072, while the sum is 26.

The square root of 4134421421 is about 64299.4667240717. The cubic root of 4134421421 is about 1604.9872277656.

Adding to 4134421421 its reverse (1241244314), we get a palindrome (5375665735).

The spelling of 4134421421 in words is "four billion, one hundred thirty-four million, four hundred twenty-one thousand, four hundred twenty-one".