863441144368 has 20 divisors (see below), whose sum is σ = 1825000600968. Its totient is φ = 392473247360.

The previous prime is 863441144351. The next prime is 863441144389.

863441144368 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2452957621 + ... + 2452957972.

Almost surely, 2^863441144368 is an apocalyptic number.

863441144368 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

863441144368 is an abundant number, since it is smaller than the sum of its proper divisors (961559456600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863441144368 is a wasteful number, since it uses less digits than its factorization.

863441144368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905915612 (or 4905915606 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 52.

The spelling of 863441144368 in words is "eight hundred sixty-three billion, four hundred forty-one million, one hundred forty-four thousand, three hundred sixty-eight".