9746921563 has 2 divisors, whose sum is σ = 9746921564. Its totient is φ = 9746921562.

The previous prime is 9746921537. The next prime is 9746921603. The reversal of 9746921563 is 3651296479.

It is a happy number.

9746921563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9746921563 - 2¹⁷ = 9746790491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9746921563.

It is not a weakly prime, because it can be changed into another prime (9746921533) 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, 4873460781 + 4873460782.

It is an arithmetic number, because the mean of its divisors is an integer number (4873460782).

Almost surely, 2^9746921563 is an apocalyptic number.

9746921563 is a deficient number, since it is larger than the sum of its proper divisors (1).

9746921563 is an equidigital number, since it uses as much as digits as its factorization.

9746921563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 52.

The square root of 9746921563 is about 98726.4987883192. The cubic root of 9746921563 is about 2136.1044776844.

The spelling of 9746921563 in words is "nine billion, seven hundred forty-six million, nine hundred twenty-one thousand, five hundred sixty-three".