904216363612409 has 4 divisors (see below), whose sum is σ = 910284929811300. Its totient is φ = 898147797413520.

The previous prime is 904216363612327. The next prime is 904216363612451.

904216363612409 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 592325929036009 + 311890434576400 = 24337747^2 + 17660420^2 .

It is a cyclic number.

It is not a de Polignac number, because 904216363612409 - 2⁸ = 904216363612153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (904216363612909) 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, 3034283099222 + ... + 3034283099519.

It is an arithmetic number, because the mean of its divisors is an integer number (227571232452825).

Almost surely, 2^{904216363612409} is an apocalyptic number.

It is an amenable number.

904216363612409 is a deficient number, since it is larger than the sum of its proper divisors (6068566198891).

904216363612409 is a wasteful number, since it uses less digits than its factorization.

904216363612409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6068566198890.

The product of its (nonzero) digits is 10077696, while the sum is 56.

The spelling of 904216363612409 in words is "nine hundred four trillion, two hundred sixteen billion, three hundred sixty-three million, six hundred twelve thousand, four hundred nine".