11617419673 has 4 divisors (see below), whose sum is σ = 11618201700. Its totient is φ = 11616637648.

The previous prime is 11617419647. The next prime is 11617419677. The reversal of 11617419673 is 37691471611.

It is a happy number.

11617419673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37691471611 = 2729 ⋅13811459.

It can be written as a sum of positive squares in 2 ways, for example, as 4312811584 + 7304608089 = 65672^2 + 85467^2 .

It is a cyclic number.

It is not a de Polignac number, because 11617419673 - 2⁹ = 11617419161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11617419677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368290 + ... + 398587.

It is an arithmetic number, because the mean of its divisors is an integer number (2904550425).

Almost surely, 2^11617419673 is an apocalyptic number.

It is an amenable number.

11617419673 is a deficient number, since it is larger than the sum of its proper divisors (782027).

11617419673 is an equidigital number, since it uses as much as digits as its factorization.

11617419673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782026.

The product of its digits is 190512, while the sum is 46.

The spelling of 11617419673 in words is "eleven billion, six hundred seventeen million, four hundred nineteen thousand, six hundred seventy-three".