289532206049 has 2 divisors, whose sum is σ = 289532206050. Its totient is φ = 289532206048.

The previous prime is 289532206013. The next prime is 289532206087. The reversal of 289532206049 is 940602235982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273842890000 + 15689316049 = 523300^2 + 125257^2 .

It is a cyclic number.

It is not a de Polignac number, because 289532206049 - 2³² = 285237238753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 289532205988 and 289532206006.

It is not a weakly prime, because it can be changed into another prime (289532202049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144766103024 + 144766103025.

It is an arithmetic number, because the mean of its divisors is an integer number (144766103025).

Almost surely, 2^289532206049 is an apocalyptic number.

It is an amenable number.

289532206049 is a deficient number, since it is larger than the sum of its proper divisors (1).

289532206049 is an equidigital number, since it uses as much as digits as its factorization.

289532206049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 289532206049 in words is "two hundred eighty-nine billion, five hundred thirty-two million, two hundred six thousand, forty-nine".