189722096041 has 3 divisors (see below), whose sum is σ = 189722531613. Its totient is φ = 189721660470.

The previous prime is 189722095967. The next prime is 189722096243. The reversal of 189722096041 is 140690227981.

The square root of 189722096041 is 435571.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 189722096041 - 2⁹ = 189722095529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189722096741) 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 2 ways as a sum of consecutive naturals, for example, 217786 + ... + 653356.

It is an arithmetic number, because the mean of its divisors is an integer number (63240843871).

Almost surely, 2^189722096041 is an apocalyptic number.

189722096041 is the 435571-st square number.

189722096041 is the 217786-th centered octagonal number.

It is an amenable number.

189722096041 is a deficient number, since it is larger than the sum of its proper divisors (435572).

189722096041 is an frugal number, since it uses more digits than its factorization.

189722096041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871142 (or 435571 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

Multiplying 189722096041 by its sum of digits (49), we get a square (9296382706009 = 3048997²).

The spelling of 189722096041 in words is "one hundred eighty-nine billion, seven hundred twenty-two million, ninety-six thousand, forty-one".