404134306563 has 8 divisors (see below), whose sum is σ = 580295414608. Its totient is φ = 248698034784.

The previous prime is 404134306517. The next prime is 404134306591. The reversal of 404134306563 is 365603431404.

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

It is not a de Polignac number, because 404134306563 - 2²⁹ = 403597435651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 10362418117 = 404134306563 / (4 + 0 + 4 + 1 + 3 + 4 + 3 + 0 + 6 + 5 + 6 + 3).

It is not an unprimeable number, because it can be changed into a prime (404134206563) 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, 5181209020 + ... + 5181209097.

It is an arithmetic number, because the mean of its divisors is an integer number (72536926826).

Almost surely, 2^404134306563 is an apocalyptic number.

404134306563 is a deficient number, since it is larger than the sum of its proper divisors (176161108045).

404134306563 is a wasteful number, since it uses less digits than its factorization.

404134306563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10362418133.

The product of its (nonzero) digits is 311040, while the sum is 39.

Adding to 404134306563 its reverse (365603431404), we get a palindrome (769737737967).

The spelling of 404134306563 in words is "four hundred four billion, one hundred thirty-four million, three hundred six thousand, five hundred sixty-three".