189655804950359 has 8 divisors (see below), whose sum is σ = 206897365964160. Its totient is φ = 172414264636600.

The previous prime is 189655804950307. The next prime is 189655804950361. The reversal of 189655804950359 is 953059408556981.

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 189655804950359 - 2³² = 189651509983063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 189655804950359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189655804950959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18819044 + ... + 27082614.

It is an arithmetic number, because the mean of its divisors is an integer number (25862170745520).

Almost surely, 2^{189655804950359} is an apocalyptic number.

189655804950359 is a deficient number, since it is larger than the sum of its proper divisors (17241561013801).

189655804950359 is a wasteful number, since it uses less digits than its factorization.

189655804950359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10350021.

The product of its (nonzero) digits is 2099520000, while the sum is 77.

The spelling of 189655804950359 in words is "one hundred eighty-nine trillion, six hundred fifty-five billion, eight hundred four million, nine hundred fifty thousand, three hundred fifty-nine".