189538284741 has 64 divisors (see below), whose sum is σ = 283739258880. Its totient is φ = 111790990080.

The previous prime is 189538284737. The next prime is 189538284751. The reversal of 189538284741 is 147482835981.

It is not a de Polignac number, because 189538284741 - 2² = 189538284737 is a prime.

It is a super-2 number, since 2×189538284741² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189538284731) 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 63 ways as a sum of consecutive naturals, for example, 30221436 + ... + 30227706.

It is an arithmetic number, because the mean of its divisors is an integer number (4433425920).

Almost surely, 2^189538284741 is an apocalyptic number.

It is an amenable number.

189538284741 is a deficient number, since it is larger than the sum of its proper divisors (94200974139).

189538284741 is a wasteful number, since it uses less digits than its factorization.

189538284741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6666.

The product of its digits is 15482880, while the sum is 60.

The spelling of 189538284741 in words is "one hundred eighty-nine billion, five hundred thirty-eight million, two hundred eighty-four thousand, seven hundred forty-one".