863201812063 has 4 divisors (see below), whose sum is σ = 863208417240. Its totient is φ = 863195206888.

The previous prime is 863201812049. The next prime is 863201812073. The reversal of 863201812063 is 360218102368.

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 863201812063 - 2²¹ = 863199714911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863201812013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3102520 + ... + 3369277.

It is an arithmetic number, because the mean of its divisors is an integer number (215802104310).

Almost surely, 2^863201812063 is an apocalyptic number.

863201812063 is a deficient number, since it is larger than the sum of its proper divisors (6605177).

863201812063 is a wasteful number, since it uses less digits than its factorization.

863201812063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6605176.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 863201812063 in words is "eight hundred sixty-three billion, two hundred one million, eight hundred twelve thousand, sixty-three".