989314559 has 2 divisors, whose sum is σ = 989314560. Its totient is φ = 989314558.

The previous prime is 989314549. The next prime is 989314583. The reversal of 989314559 is 955413989.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 989314559 - 2¹² = 989310463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 989314559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989314519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494657279 + 494657280.

It is an arithmetic number, because the mean of its divisors is an integer number (494657280).

Almost surely, 2^989314559 is an apocalyptic number.

989314559 is a deficient number, since it is larger than the sum of its proper divisors (1).

989314559 is an equidigital number, since it uses as much as digits as its factorization.

989314559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1749600, while the sum is 53.

The square root of 989314559 is about 31453.3711865676. The cubic root of 989314559 is about 996.4254239643.

The spelling of 989314559 in words is "nine hundred eighty-nine million, three hundred fourteen thousand, five hundred fifty-nine".