863438846193 has 144 divisors (see below), whose sum is σ = 1627795128960. Its totient is φ = 431188369920.

The previous prime is 863438846107. The next prime is 863438846197. The reversal of 863438846193 is 391648834368.

863438846193 is a `hidden beast` number, since 8 + 6 + 3 + 4 + 3 + 8 + 8 + 4 + 619 + 3 = 666.

863438846193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 863438846193 - 2¹⁰ = 863438845169 is a prime.

It is a super-2 number, since 2×863438846193² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 863438846193.

It is not an unprimeable number, because it can be changed into a prime (863438846197) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 51500230 + ... + 51516992.

It is an arithmetic number, because the mean of its divisors is an integer number (11304132840).

Almost surely, 2^863438846193 is an apocalyptic number.

It is an amenable number.

863438846193 is a deficient number, since it is larger than the sum of its proper divisors (764356282767).

863438846193 is a wasteful number, since it uses less digits than its factorization.

863438846193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17060 (or 17046 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 63.

The spelling of 863438846193 in words is "eight hundred sixty-three billion, four hundred thirty-eight million, eight hundred forty-six thousand, one hundred ninety-three".