9798736563 has 64 divisors (see below), whose sum is σ = 19051315200. Its totient is φ = 4822325280.

The previous prime is 9798736559. The next prime is 9798736567. The reversal of 9798736563 is 3656378979.

It is an interprime number because it is at equal distance from previous prime (9798736559) and next prime (9798736567).

It is not a de Polignac number, because 9798736563 - 2² = 9798736559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 9798736563.

It is not an unprimeable number, because it can be changed into a prime (9798736567) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84531 + ... + 163532.

It is an arithmetic number, because the mean of its divisors is an integer number (297676800).

Almost surely, 2^9798736563 is an apocalyptic number.

9798736563 is a deficient number, since it is larger than the sum of its proper divisors (9252578637).

9798736563 is a wasteful number, since it uses less digits than its factorization.

9798736563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248109 (or 248103 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 63.

The square root of 9798736563 is about 98988.5678399279. The cubic root of 9798736563 is about 2139.8829937920.

The spelling of 9798736563 in words is "nine billion, seven hundred ninety-eight million, seven hundred thirty-six thousand, five hundred sixty-three".