189922052250841 has 3 divisors (see below), whose sum is σ = 189922066032063. Its totient is φ = 189922038469620.

The previous prime is 189922052250829. The next prime is 189922052250863. The reversal of 189922052250841 is 148052250229981.

The square root of 189922052250841 is 13781221.

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 can be written as a sum of positive squares in only one way, i.e., 8275811386441 + 181646240864400 = 2876771^2 + 13477620^2 .

It is not a de Polignac number, because 189922052250841 - 2³⁷ = 189784613297369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189922052250811) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6890611 + ... + 20671831.

It is an arithmetic number, because the mean of its divisors is an integer number (63307355344021).

Almost surely, 2^{189922052250841} is an apocalyptic number.

189922052250841 is the 13781221-st square number.

189922052250841 is the 6890611-st centered octagonal number.

It is an amenable number.

189922052250841 is a deficient number, since it is larger than the sum of its proper divisors (13781222).

189922052250841 is an frugal number, since it uses more digits than its factorization.

189922052250841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27562442 (or 13781221 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 58.

The spelling of 189922052250841 in words is "one hundred eighty-nine trillion, nine hundred twenty-two billion, fifty-two million, two hundred fifty thousand, eight hundred forty-one".