989472559 has 2 divisors, whose sum is σ = 989472560. Its totient is φ = 989472558.

The previous prime is 989472553. The next prime is 989472637. The reversal of 989472559 is 955274989.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 989472559 - 2⁹ = 989472047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989472553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494736279 + 494736280.

It is an arithmetic number, because the mean of its divisors is an integer number (494736280).

Almost surely, 2^989472559 is an apocalyptic number.

989472559 is a deficient number, since it is larger than the sum of its proper divisors (1).

989472559 is an equidigital number, since it uses as much as digits as its factorization.

989472559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 58.

The square root of 989472559 is about 31455.8827407530. The cubic root of 989472559 is about 996.4784663579.

The spelling of 989472559 in words is "nine hundred eighty-nine million, four hundred seventy-two thousand, five hundred fifty-nine".