989569342241 has 2 divisors, whose sum is σ = 989569342242. Its totient is φ = 989569342240.

The previous prime is 989569342217. The next prime is 989569342273. The reversal of 989569342241 is 142243965989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 988115521600 + 1453820641 = 994040^2 + 38129^2 .

It is a cyclic number.

It is not a de Polignac number, because 989569342241 - 2¹⁰ = 989569341217 is a prime.

It is not a weakly prime, because it can be changed into another prime (989569342291) 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, 494784671120 + 494784671121.

It is an arithmetic number, because the mean of its divisors is an integer number (494784671121).

Almost surely, 2^989569342241 is an apocalyptic number.

It is an amenable number.

989569342241 is a deficient number, since it is larger than the sum of its proper divisors (1).

989569342241 is an equidigital number, since it uses as much as digits as its factorization.

989569342241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33592320, while the sum is 62.

The spelling of 989569342241 in words is "nine hundred eighty-nine billion, five hundred sixty-nine million, three hundred forty-two thousand, two hundred forty-one".