201044134289 has 2 divisors, whose sum is σ = 201044134290. Its totient is φ = 201044134288.

The previous prime is 201044134267. The next prime is 201044134409. The reversal of 201044134289 is 982431440102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190148323600 + 10895810689 = 436060^2 + 104383^2 .

It is a cyclic number.

It is not a de Polignac number, because 201044134289 - 2²⁴ = 201027357073 is a prime.

It is not a weakly prime, because it can be changed into another prime (201044137289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100522067144 + 100522067145.

It is an arithmetic number, because the mean of its divisors is an integer number (100522067145).

Almost surely, 2^201044134289 is an apocalyptic number.

It is an amenable number.

201044134289 is a deficient number, since it is larger than the sum of its proper divisors (1).

201044134289 is an equidigital number, since it uses as much as digits as its factorization.

201044134289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 201044134289 in words is "two hundred one billion, forty-four million, one hundred thirty-four thousand, two hundred eighty-nine".