4100321209 has 2 divisors, whose sum is σ = 4100321210. Its totient is φ = 4100321208.

The previous prime is 4100321207. The next prime is 4100321321. The reversal of 4100321209 is 9021230014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3988554025 + 111767184 = 63155^2 + 10572^2 .

It is a cyclic number.

It is not a de Polignac number, because 4100321209 - 2¹ = 4100321207 is a prime.

Together with 4100321207, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4100321209.

It is not a weakly prime, because it can be changed into another prime (4100321207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2050160604 + 2050160605.

It is an arithmetic number, because the mean of its divisors is an integer number (2050160605).

Almost surely, 2^4100321209 is an apocalyptic number.

It is an amenable number.

4100321209 is a deficient number, since it is larger than the sum of its proper divisors (1).

4100321209 is an equidigital number, since it uses as much as digits as its factorization.

4100321209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 4100321209 is about 64033.7505460987. The cubic root of 4100321209 is about 1600.5624596732.

The spelling of 4100321209 in words is "four billion, one hundred million, three hundred twenty-one thousand, two hundred nine".