9913898781163 has 16 divisors (see below), whose sum is σ = 11899511759520. Its totient is φ = 8159665199616.

The previous prime is 9913898781151. The next prime is 9913898781167. The reversal of 9913898781163 is 3611878983199.

It is a cyclic number.

It is not a de Polignac number, because 9913898781163 - 2⁹ = 9913898780651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9913898781167) 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, 1180502920 + ... + 1180511317.

It is an arithmetic number, because the mean of its divisors is an integer number (743719484970).

Almost surely, 2^{9913898781163} is an apocalyptic number.

9913898781163 is a deficient number, since it is larger than the sum of its proper divisors (1985612978357).

9913898781163 is a wasteful number, since it uses less digits than its factorization.

9913898781163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361014286.

The product of its digits is 141087744, while the sum is 73.

The spelling of 9913898781163 in words is "nine trillion, nine hundred thirteen billion, eight hundred ninety-eight million, seven hundred eighty-one thousand, one hundred sixty-three".