189842441775 has 96 divisors (see below), whose sum is σ = 362814778368. Its totient is φ = 85794508800.

The previous prime is 189842441753. The next prime is 189842441777. The reversal of 189842441775 is 577144248981.

It is a happy number.

It is not a de Polignac number, because 189842441775 - 2⁹ = 189842441263 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189842441777) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 66353845 + ... + 66356705.

It is an arithmetic number, because the mean of its divisors is an integer number (3779320608).

Almost surely, 2^189842441775 is an apocalyptic number.

189842441775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189842441775 is a deficient number, since it is larger than the sum of its proper divisors (172972336593).

189842441775 is a wasteful number, since it uses less digits than its factorization.

189842441775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281 (or 4276 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 60.

The spelling of 189842441775 in words is "one hundred eighty-nine billion, eight hundred forty-two million, four hundred forty-one thousand, seven hundred seventy-five".