104404220213 has 4 divisors (see below), whose sum is σ = 104405882688. Its totient is φ = 104402557740.

The previous prime is 104404220209. The next prime is 104404220243. The reversal of 104404220213 is 312022404401.

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 a cyclic number.

It is not a de Polignac number, because 104404220213 - 2² = 104404220209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104404220243) 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, 733181 + ... + 863922.

It is an arithmetic number, because the mean of its divisors is an integer number (26101470672).

Almost surely, 2^104404220213 is an apocalyptic number.

It is an amenable number.

104404220213 is a deficient number, since it is larger than the sum of its proper divisors (1662475).

104404220213 is an equidigital number, since it uses as much as digits as its factorization.

104404220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662474.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 104404220213 its reverse (312022404401), we get a palindrome (416426624614).

The spelling of 104404220213 in words is "one hundred four billion, four hundred four million, two hundred twenty thousand, two hundred thirteen".