189284495243 has 8 divisors (see below), whose sum is σ = 192244350768. Its totient is φ = 186334556544.

The previous prime is 189284495237. The next prime is 189284495311. The reversal of 189284495243 is 342594482981.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189284495243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189284491243) 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, 2440730 + ... + 2517087.

It is an arithmetic number, because the mean of its divisors is an integer number (24030543846).

Almost surely, 2^189284495243 is an apocalyptic number.

189284495243 is a deficient number, since it is larger than the sum of its proper divisors (2959855525).

189284495243 is an equidigital number, since it uses as much as digits as its factorization.

189284495243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4958413.

The product of its digits is 19906560, while the sum is 59.

The spelling of 189284495243 in words is "one hundred eighty-nine billion, two hundred eighty-four million, four hundred ninety-five thousand, two hundred forty-three".