4113132421 has 4 divisors (see below), whose sum is σ = 4245814144. Its totient is φ = 3980450700.

The previous prime is 4113132391. The next prime is 4113132511. The reversal of 4113132421 is 1242313114.

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 4113132421 - 2²⁹ = 3576261509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4113132392 and 4113132401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4113132721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66340815 + ... + 66340876.

It is an arithmetic number, because the mean of its divisors is an integer number (1061453536).

Almost surely, 2^4113132421 is an apocalyptic number.

It is an amenable number.

4113132421 is a deficient number, since it is larger than the sum of its proper divisors (132681723).

4113132421 is a wasteful number, since it uses less digits than its factorization.

4113132421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132681722.

The product of its digits is 576, while the sum is 22.

The square root of 4113132421 is about 64133.7073698379. The cubic root of 4113132421 is about 1602.2276809434.

Adding to 4113132421 its reverse (1242313114), we get a palindrome (5355445535).

The spelling of 4113132421 in words is "four billion, one hundred thirteen million, one hundred thirty-two thousand, four hundred twenty-one".