4104443421 has 40 divisors (see below), whose sum is σ = 6631705080. Its totient is φ = 2514820608.

The previous prime is 4104443419. The next prime is 4104443443. The reversal of 4104443421 is 1243444014.

It can be written as a sum of positive squares in 4 ways, for example, as 55666521 + 4048776900 = 7461^2 + 63630^2 .

It is not a de Polignac number, because 4104443421 - 2¹ = 4104443419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4104443221) 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 39 ways as a sum of consecutive naturals, for example, 236985 + ... + 253713.

It is an arithmetic number, because the mean of its divisors is an integer number (165792627).

Almost surely, 2^4104443421 is an apocalyptic number.

It is an amenable number.

4104443421 is a deficient number, since it is larger than the sum of its proper divisors (2527261659).

4104443421 is a wasteful number, since it uses less digits than its factorization.

4104443421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16987 (or 16978 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 4104443421 is about 64065.9302671865. The cubic root of 4104443421 is about 1601.0986492096.

Adding to 4104443421 its reverse (1243444014), we get a palindrome (5347887435).

The spelling of 4104443421 in words is "four billion, one hundred four million, four hundred forty-three thousand, four hundred twenty-one".