189184086317 has 8 divisors (see below), whose sum is σ = 189710008824. Its totient is φ = 188658574848.

The previous prime is 189184086277. The next prime is 189184086331. The reversal of 189184086317 is 713680481981.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2446885156 + 186737201161 = 49466^2 + 432131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189184086317 - 2²⁴ = 189167309101 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 (189184086617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830783 + ... + 1033715.

It is an arithmetic number, because the mean of its divisors is an integer number (23713751103).

Almost surely, 2^189184086317 is an apocalyptic number.

It is an amenable number.

189184086317 is a deficient number, since it is larger than the sum of its proper divisors (525922507).

189184086317 is a wasteful number, since it uses less digits than its factorization.

189184086317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205519.

The product of its (nonzero) digits is 2322432, while the sum is 56.

The spelling of 189184086317 in words is "one hundred eighty-nine billion, one hundred eighty-four million, eighty-six thousand, three hundred seventeen".