863441144367 has 16 divisors (see below), whose sum is σ = 1219262117472. Its totient is φ = 541639710720.

The previous prime is 863441144351. The next prime is 863441144389. The reversal of 863441144367 is 763441144368.

It is not a de Polignac number, because 863441144367 - 2⁴ = 863441144351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863441144347) 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 15 ways as a sum of consecutive naturals, for example, 1769338 + ... + 2203959.

It is an arithmetic number, because the mean of its divisors is an integer number (76203882342).

Almost surely, 2^863441144367 is an apocalyptic number.

863441144367 is a deficient number, since it is larger than the sum of its proper divisors (355820973105).

863441144367 is a wasteful number, since it uses less digits than its factorization.

863441144367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977578.

The product of its digits is 4644864, while the sum is 51.

Subtracting from 863441144367 its reverse (763441144368), we obtain a palindrome (99999999999).

The spelling of 863441144367 in words is "eight hundred sixty-three billion, four hundred forty-one million, one hundred forty-four thousand, three hundred sixty-seven".