863494306244 has 12 divisors (see below), whose sum is σ = 1536727155600. Its totient is φ = 424429404648.

The previous prime is 863494306243. The next prime is 863494306273. The reversal of 863494306244 is 442603494368.

It is not an unprimeable number, because it can be changed into a prime (863494306243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1829436854 + ... + 1829437325.

It is an arithmetic number, because the mean of its divisors is an integer number (128060596300).

Almost surely, 2^863494306244 is an apocalyptic number.

It is an amenable number.

863494306244 is a deficient number, since it is larger than the sum of its proper divisors (673232849356).

863494306244 is a wasteful number, since it uses less digits than its factorization.

863494306244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658874242 (or 3658874240 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 53.

The spelling of 863494306244 in words is "eight hundred sixty-three billion, four hundred ninety-four million, three hundred six thousand, two hundred forty-four".