12169576859089 has 4 divisors (see below), whose sum is σ = 13105698155956. Its totient is φ = 11233455562224.

The previous prime is 12169576859081. The next prime is 12169576859101. The reversal of 12169576859089 is 98095867596121.

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 6509555212689 + 5660021646400 = 2551383^2 + 2379080^2 .

It is a cyclic number.

It is not a de Polignac number, because 12169576859089 - 2³ = 12169576859081 is a prime.

It is a super-3 number, since 3×12169576859089³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12169576859081) 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, 468060648414 + ... + 468060648439.

It is an arithmetic number, because the mean of its divisors is an integer number (3276424538989).

Almost surely, 2^{12169576859089} is an apocalyptic number.

It is an amenable number.

12169576859089 is a deficient number, since it is larger than the sum of its proper divisors (936121296867).

12169576859089 is an equidigital number, since it uses as much as digits as its factorization.

12169576859089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936121296866.

The product of its (nonzero) digits is 587865600, while the sum is 76.

The spelling of 12169576859089 in words is "twelve trillion, one hundred sixty-nine billion, five hundred seventy-six million, eight hundred fifty-nine thousand, eighty-nine".