104816705428009 has 3 divisors (see below), whose sum is σ = 104816715666013. Its totient is φ = 104816695190006.

The previous prime is 104816705427997. The next prime is 104816705428069. The reversal of 104816705428009 is 900824507618401.

The square root of 104816705428009 is 10238003.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 104816705428009 - 2²⁹ = 104816168557097 is a prime.

It is a super-2 number, since 2×104816705428009² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104816705428069) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5119002 + ... + 15357004.

Almost surely, 2^{104816705428009} is an apocalyptic number.

104816705428009 is the 10238003-rd square number.

104816705428009 is the 5119002-nd centered octagonal number.

It is an amenable number.

104816705428009 is a deficient number, since it is larger than the sum of its proper divisors (10238004).

104816705428009 is an frugal number, since it uses more digits than its factorization.

104816705428009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20476006 (or 10238003 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 104816705428009 in words is "one hundred four trillion, eight hundred sixteen billion, seven hundred five million, four hundred twenty-eight thousand, nine".