9802116243 has 12 divisors (see below), whose sum is σ = 14162091840. Its totient is φ = 6533138256.

The previous prime is 9802116223. The next prime is 9802116253. The reversal of 9802116243 is 3426112089.

9802116243 is a `hidden beast` number, since 9 + 8 + 0 + 21 + 1 + 624 + 3 = 666.

It is not a de Polignac number, because 9802116243 - 2⁵ = 9802116211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9802116198 and 9802116207.

It is not an unprimeable number, because it can be changed into a prime (9802116223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94563 + ... + 168956.

It is an arithmetic number, because the mean of its divisors is an integer number (1180174320).

Almost surely, 2^9802116243 is an apocalyptic number.

9802116243 is a deficient number, since it is larger than the sum of its proper divisors (4359975597).

9802116243 is a wasteful number, since it uses less digits than its factorization.

9802116243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267658 (or 267655 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 9802116243 is about 99005.6374304009. The cubic root of 9802116243 is about 2140.1289876978.

The spelling of 9802116243 in words is "nine billion, eight hundred two million, one hundred sixteen thousand, two hundred forty-three".