201044413109 has 2 divisors, whose sum is σ = 201044413110. Its totient is φ = 201044413108.

The previous prime is 201044413093. The next prime is 201044413123. The reversal of 201044413109 is 901314440102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194059632484 + 6984780625 = 440522^2 + 83575^2 .

It is a cyclic number.

It is not a de Polignac number, because 201044413109 - 2⁴ = 201044413093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201044413169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100522206554 + 100522206555.

It is an arithmetic number, because the mean of its divisors is an integer number (100522206555).

Almost surely, 2^201044413109 is an apocalyptic number.

It is an amenable number.

201044413109 is a deficient number, since it is larger than the sum of its proper divisors (1).

201044413109 is an equidigital number, since it uses as much as digits as its factorization.

201044413109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 201044413109 in words is "two hundred one billion, forty-four million, four hundred thirteen thousand, one hundred nine".