201104040409 has 2 divisors, whose sum is σ = 201104040410. Its totient is φ = 201104040408.

The previous prime is 201104040353. The next prime is 201104040419. The reversal of 201104040409 is 904040401102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170463288384 + 30640752025 = 412872^2 + 175045^2 .

It is a cyclic number.

It is not a de Polignac number, because 201104040409 - 2⁷ = 201104040281 is a prime.

It is not a weakly prime, because it can be changed into another prime (201104040419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100552020204 + 100552020205.

It is an arithmetic number, because the mean of its divisors is an integer number (100552020205).

Almost surely, 2^201104040409 is an apocalyptic number.

It is an amenable number.

201104040409 is a deficient number, since it is larger than the sum of its proper divisors (1).

201104040409 is an equidigital number, since it uses as much as digits as its factorization.

201104040409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 201104040409 in words is "two hundred one billion, one hundred four million, forty thousand, four hundred nine".