9817948799 has 16 divisors (see below), whose sum is σ = 10083870720. Its totient is φ = 9556081920.

The previous prime is 9817948781. The next prime is 9817948849. The reversal of 9817948799 is 9978497189.

9817948799 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9817948799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (71).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9817948739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3187142 + ... + 3190220.

It is an arithmetic number, because the mean of its divisors is an integer number (630241920).

Almost surely, 2^9817948799 is an apocalyptic number.

9817948799 is a deficient number, since it is larger than the sum of its proper divisors (265921921).

9817948799 is a wasteful number, since it uses less digits than its factorization.

9817948799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710.

The product of its digits is 82301184, while the sum is 71.

The square root of 9817948799 is about 99085.5630200485. The cubic root of 9817948799 is about 2141.2806262611.

The spelling of 9817948799 in words is "nine billion, eight hundred seventeen million, nine hundred forty-eight thousand, seven hundred ninety-nine".