9816212886363 has 24 divisors (see below), whose sum is σ = 15319402866768. Its totient is φ = 6021069671232.

The previous prime is 9816212886317. The next prime is 9816212886379. The reversal of 9816212886363 is 3636882126189.

It is a happy number.

9816212886363 is a `hidden beast` number, since 98 + 1 + 62 + 128 + 8 + 6 + 363 = 666.

It is not a de Polignac number, because 9816212886363 - 2⁸ = 9816212886107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9816212886363.

It is not an unprimeable number, because it can be changed into a prime (9816212086363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136607820 + ... + 136679657.

It is an arithmetic number, because the mean of its divisors is an integer number (638308452782).

Almost surely, 2^{9816212886363} is an apocalyptic number.

9816212886363 is a deficient number, since it is larger than the sum of its proper divisors (5503189980405).

9816212886363 is a wasteful number, since it uses less digits than its factorization.

9816212886363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273287803 (or 273287800 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 63.

The spelling of 9816212886363 in words is "nine trillion, eight hundred sixteen billion, two hundred twelve million, eight hundred eighty-six thousand, three hundred sixty-three".