863486482809 has 4 divisors (see below), whose sum is σ = 1151315310416. Its totient is φ = 575657655204.

The previous prime is 863486482783. The next prime is 863486482813. The reversal of 863486482809 is 908284684368.

863486482809 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 863486482809 - 2⁵ = 863486482777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 863486482809.

It is not an unprimeable number, because it can be changed into a prime (863486482819) 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, 143914413799 + ... + 143914413804.

It is an arithmetic number, because the mean of its divisors is an integer number (287828827604).

Almost surely, 2^863486482809 is an apocalyptic number.

It is an amenable number.

863486482809 is a deficient number, since it is larger than the sum of its proper divisors (287828827607).

863486482809 is a wasteful number, since it uses less digits than its factorization.

863486482809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287828827606.

The product of its (nonzero) digits is 127401984, while the sum is 66.

The spelling of 863486482809 in words is "eight hundred sixty-three billion, four hundred eighty-six million, four hundred eighty-two thousand, eight hundred nine".