4341432021 has 4 divisors (see below), whose sum is σ = 5788576032. Its totient is φ = 2894288012.

The previous prime is 4341432013. The next prime is 4341432077. The reversal of 4341432021 is 1202341434.

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 4341432021 - 2³ = 4341432013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4341431982 and 4341432000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4341434021) 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, 723572001 + ... + 723572006.

It is an arithmetic number, because the mean of its divisors is an integer number (1447144008).

Almost surely, 2^4341432021 is an apocalyptic number.

It is an amenable number.

4341432021 is a deficient number, since it is larger than the sum of its proper divisors (1447144011).

4341432021 is a wasteful number, since it uses less digits than its factorization.

4341432021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447144010.

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

The square root of 4341432021 is about 65889.5440946437. The cubic root of 4341432021 is about 1631.3394363729.

Adding to 4341432021 its reverse (1202341434), we get a palindrome (5543773455).

The spelling of 4341432021 in words is "four billion, three hundred forty-one million, four hundred thirty-two thousand, twenty-one".