863803284409 has 8 divisors (see below), whose sum is σ = 940701935880. Its totient is φ = 788397810816.

The previous prime is 863803284401. The next prime is 863803284413. The reversal of 863803284409 is 904482308368.

863803284409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 47536208784 + 816267075625 = 218028^2 + 903475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 863803284409 - 2³ = 863803284401 is a prime.

It is a super-2 number, since 2×863803284409² (a number of 25 digits) contains 22 as substring.

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 863803284409.

It is not an unprimeable number, because it can be changed into a prime (863803284401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373293262 + ... + 373295575.

It is an arithmetic number, because the mean of its divisors is an integer number (117587741985).

Almost surely, 2^863803284409 is an apocalyptic number.

863803284409 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

863803284409 is a deficient number, since it is larger than the sum of its proper divisors (76898651471).

863803284409 is a wasteful number, since it uses less digits than its factorization.

863803284409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746588939.

The product of its (nonzero) digits is 7962624, while the sum is 55.

The spelling of 863803284409 in words is "eight hundred sixty-three billion, eight hundred three million, two hundred eighty-four thousand, four hundred nine".