4413132421 has 2 divisors, whose sum is σ = 4413132422. Its totient is φ = 4413132420.

The previous prime is 4413132419. The next prime is 4413132431. The reversal of 4413132421 is 1242313144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4230071521 + 183060900 = 65039^2 + 13530^2 .

It is a cyclic number.

It is not a de Polignac number, because 4413132421 - 2¹ = 4413132419 is a prime.

Together with 4413132419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4413132401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2206566210 + 2206566211.

It is an arithmetic number, because the mean of its divisors is an integer number (2206566211).

Almost surely, 2^4413132421 is an apocalyptic number.

It is an amenable number.

4413132421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4413132421 is an equidigital number, since it uses as much as digits as its factorization.

4413132421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 4413132421 is about 66431.4114030404. The cubic root of 4413132421 is about 1640.2711752903.

Adding to 4413132421 its reverse (1242313144), we get a palindrome (5655445565).

The spelling of 4413132421 in words is "four billion, four hundred thirteen million, one hundred thirty-two thousand, four hundred twenty-one".