189485831941 has 8 divisors (see below), whose sum is σ = 216558068544. Its totient is φ = 162414303360.

The previous prime is 189485831929. The next prime is 189485831963. The reversal of 189485831941 is 149138584981.

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 189485831941 - 2²¹ = 189483734789 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 189485831941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189485831741) 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, 660981 + ... + 903253.

It is an arithmetic number, because the mean of its divisors is an integer number (27069758568).

Almost surely, 2^189485831941 is an apocalyptic number.

It is an amenable number.

189485831941 is a deficient number, since it is larger than the sum of its proper divisors (27072236603).

189485831941 is a wasteful number, since it uses less digits than its factorization.

189485831941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354011.

The product of its digits is 9953280, while the sum is 61.

The spelling of 189485831941 in words is "one hundred eighty-nine billion, four hundred eighty-five million, eight hundred thirty-one thousand, nine hundred forty-one".