981004963 has 2 divisors, whose sum is σ = 981004964. Its totient is φ = 981004962.

The previous prime is 981004961. The next prime is 981005033. The reversal of 981004963 is 369400189.

It is a weak prime.

It is an emirp because it is prime and its reverse (369400189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 981004963 - 2¹ = 981004961 is a prime.

Together with 981004961, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (981004961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490502481 + 490502482.

It is an arithmetic number, because the mean of its divisors is an integer number (490502482).

Almost surely, 2^981004963 is an apocalyptic number.

981004963 is a deficient number, since it is larger than the sum of its proper divisors (1).

981004963 is an equidigital number, since it uses as much as digits as its factorization.

981004963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 981004963 is about 31320.9987548290. The cubic root of 981004963 is about 993.6278023445.

The spelling of 981004963 in words is "nine hundred eighty-one million, four thousand, nine hundred sixty-three".