4102044421 has 2 divisors, whose sum is σ = 4102044422. Its totient is φ = 4102044420.

The previous prime is 4102044409. The next prime is 4102044437. The reversal of 4102044421 is 1244402014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2403450625 + 1698593796 = 49025^2 + 41214^2 .

It is a cyclic number.

It is not a de Polignac number, because 4102044421 - 2⁵ = 4102044389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4102044392 and 4102044401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4102044451) 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, 2051022210 + 2051022211.

It is an arithmetic number, because the mean of its divisors is an integer number (2051022211).

Almost surely, 2^4102044421 is an apocalyptic number.

It is an amenable number.

4102044421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4102044421 is an equidigital number, since it uses as much as digits as its factorization.

4102044421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 4102044421 is about 64047.2046306472. The cubic root of 4102044421 is about 1600.7866471624.

Adding to 4102044421 its reverse (1244402014), we get a palindrome (5346446435).

The spelling of 4102044421 in words is "four billion, one hundred two million, forty-four thousand, four hundred twenty-one".