4134203421 has 4 divisors (see below), whose sum is σ = 5512271232. Its totient is φ = 2756135612.

The previous prime is 4134203413. The next prime is 4134203459. The reversal of 4134203421 is 1243024314.

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 4134203421 - 2³ = 4134203413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4134203391 and 4134203400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4134203461) 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, 689033901 + ... + 689033906.

It is an arithmetic number, because the mean of its divisors is an integer number (1378067808).

Almost surely, 2^4134203421 is an apocalyptic number.

It is an amenable number.

4134203421 is a deficient number, since it is larger than the sum of its proper divisors (1378067811).

4134203421 is a wasteful number, since it uses less digits than its factorization.

4134203421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378067810.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4134203421 is about 64297.7715088167. The cubic root of 4134203421 is about 1604.9590179848.

Adding to 4134203421 its reverse (1243024314), we get a palindrome (5377227735).

The spelling of 4134203421 in words is "four billion, one hundred thirty-four million, two hundred three thousand, four hundred twenty-one".