4135423421 has 8 divisors (see below), whose sum is σ = 4216217184. Its totient is φ = 4054732240.

The previous prime is 4135423387. The next prime is 4135423423. The reversal of 4135423421 is 1243245314.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4135423421 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 (4135423423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58430 + ... + 108096.

It is an arithmetic number, because the mean of its divisors is an integer number (527027148).

Almost surely, 2^4135423421 is an apocalyptic number.

It is an amenable number.

4135423421 is a deficient number, since it is larger than the sum of its proper divisors (80793763).

4135423421 is a wasteful number, since it uses less digits than its factorization.

4135423421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51291.

The product of its digits is 11520, while the sum is 29.

The square root of 4135423421 is about 64307.2579185274. The cubic root of 4135423421 is about 1605.1168764828.

Adding to 4135423421 its reverse (1243245314), we get a palindrome (5378668735).

The spelling of 4135423421 in words is "four billion, one hundred thirty-five million, four hundred twenty-three thousand, four hundred twenty-one".