4413412121 has 2 divisors, whose sum is σ = 4413412122. Its totient is φ = 4413412120.

The previous prime is 4413412099. The next prime is 4413412127. The reversal of 4413412121 is 1212143144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3948362896 + 465049225 = 62836^2 + 21565^2 .

It is a cyclic number.

It is not a de Polignac number, because 4413412121 - 2¹⁴ = 4413395737 is a prime.

It is not a weakly prime, because it can be changed into another prime (4413412127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2206706060 + 2206706061.

It is an arithmetic number, because the mean of its divisors is an integer number (2206706061).

Almost surely, 2^4413412121 is an apocalyptic number.

It is an amenable number.

4413412121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4413412121 is an equidigital number, since it uses as much as digits as its factorization.

4413412121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 23.

The square root of 4413412121 is about 66433.5165485013. The cubic root of 4413412121 is about 1640.3058274838.

Adding to 4413412121 its reverse (1212143144), we get a palindrome (5625555265).

The spelling of 4413412121 in words is "four billion, four hundred thirteen million, four hundred twelve thousand, one hundred twenty-one".