289501134541 has 2 divisors, whose sum is σ = 289501134542. Its totient is φ = 289501134540.

The previous prime is 289501134539. The next prime is 289501134557. The reversal of 289501134541 is 145431105982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194264088516 + 95237046025 = 440754^2 + 308605^2 .

It is a cyclic number.

It is not a de Polignac number, because 289501134541 - 2¹ = 289501134539 is a prime.

Together with 289501134539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289501114541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144750567270 + 144750567271.

It is an arithmetic number, because the mean of its divisors is an integer number (144750567271).

Almost surely, 2^289501134541 is an apocalyptic number.

It is an amenable number.

289501134541 is a deficient number, since it is larger than the sum of its proper divisors (1).

289501134541 is an equidigital number, since it uses as much as digits as its factorization.

289501134541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 289501134541 in words is "two hundred eighty-nine billion, five hundred one million, one hundred thirty-four thousand, five hundred forty-one".