989010563 has 2 divisors, whose sum is σ = 989010564. Its totient is φ = 989010562.

The previous prime is 989010527. The next prime is 989010587. The reversal of 989010563 is 365010989.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 989010563 - 2¹⁴ = 988994179 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 989010563.

It is not a weakly prime, because it can be changed into another prime (989000563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494505281 + 494505282.

It is an arithmetic number, because the mean of its divisors is an integer number (494505282).

Almost surely, 2^989010563 is an apocalyptic number.

989010563 is a deficient number, since it is larger than the sum of its proper divisors (1).

989010563 is an equidigital number, since it uses as much as digits as its factorization.

989010563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 989010563 is about 31448.5383285138. The cubic root of 989010563 is about 996.3233531680.

The spelling of 989010563 in words is "nine hundred eighty-nine million, ten thousand, five hundred sixty-three".