863018198363 has 4 divisors (see below), whose sum is σ = 869226962520. Its totient is φ = 856809434208.

The previous prime is 863018198359. The next prime is 863018198389. The reversal of 863018198363 is 363891810368.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 863018198363 - 2² = 863018198359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 863018198299 and 863018198308.

It is not an unprimeable number, because it can be changed into a prime (863018198353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3104381870 + ... + 3104382147.

It is an arithmetic number, because the mean of its divisors is an integer number (217306740630).

Almost surely, 2^863018198363 is an apocalyptic number.

863018198363 is a deficient number, since it is larger than the sum of its proper divisors (6208764157).

863018198363 is a wasteful number, since it uses less digits than its factorization.

863018198363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6208764156.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 863018198363 in words is "eight hundred sixty-three billion, eighteen million, one hundred ninety-eight thousand, three hundred sixty-three".