4434210421 has 8 divisors (see below), whose sum is σ = 4485979800. Its totient is φ = 4382484480.

The previous prime is 4434210413. The next prime is 4434210449. The reversal of 4434210421 is 1240124344.

It can be written as a sum of positive squares in 4 ways, for example, as 1377226321 + 3056984100 = 37111^2 + 55290^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4434210421 - 2³ = 4434210413 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 (4434210491) 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, 223765 + ... + 242773.

It is an arithmetic number, because the mean of its divisors is an integer number (560747475).

Almost surely, 2^4434210421 is an apocalyptic number.

It is an amenable number.

4434210421 is a deficient number, since it is larger than the sum of its proper divisors (51769379).

4434210421 is a wasteful number, since it uses less digits than its factorization.

4434210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21719.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 4434210421 is about 66589.8672547108. The cubic root of 4434210421 is about 1642.8784494142.

Adding to 4434210421 its reverse (1240124344), we get a palindrome (5674334765).

The spelling of 4434210421 in words is "four billion, four hundred thirty-four million, two hundred ten thousand, four hundred twenty-one".