10555204609 has 4 divisors (see below), whose sum is σ = 10559685204. Its totient is φ = 10550724016.

The previous prime is 10555204603. The next prime is 10555204631. The reversal of 10555204609 is 90640255501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90640255501 = 26237 ⋅3454673.

It can be written as a sum of positive squares in 2 ways, for example, as 3244441600 + 7310763009 = 56960^2 + 85503^2 .

It is a cyclic number.

It is not a de Polignac number, because 10555204609 - 2⁷ = 10555204481 is a prime.

It is a super-2 number, since 2×10555204609² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10555204603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2236762 + ... + 2241475.

It is an arithmetic number, because the mean of its divisors is an integer number (2639921301).

Almost surely, 2^10555204609 is an apocalyptic number.

It is an amenable number.

10555204609 is a deficient number, since it is larger than the sum of its proper divisors (4480595).

10555204609 is an equidigital number, since it uses as much as digits as its factorization.

10555204609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480594.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 10555204609 in words is "ten billion, five hundred fifty-five million, two hundred four thousand, six hundred nine".