4134023243421 has 4 divisors (see below), whose sum is σ = 5512030991232. Its totient is φ = 2756015495612.

The previous prime is 4134023243387. The next prime is 4134023243443. The reversal of 4134023243421 is 1243423204314.

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 a cyclic number.

It is not a de Polignac number, because 4134023243421 - 2²³ = 4134014854813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4134023243461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689003873901 + ... + 689003873906.

It is an arithmetic number, because the mean of its divisors is an integer number (1378007747808).

Almost surely, 2^{4134023243421} is an apocalyptic number.

It is an amenable number.

4134023243421 is a deficient number, since it is larger than the sum of its proper divisors (1378007747811).

4134023243421 is a wasteful number, since it uses less digits than its factorization.

4134023243421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378007747810.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 4134023243421 its reverse (1243423204314), we get a palindrome (5377446447735).

The spelling of 4134023243421 in words is "four trillion, one hundred thirty-four billion, twenty-three million, two hundred forty-three thousand, four hundred twenty-one".