192484890361 has 9 divisors (see below), whose sum is σ = 194532737871. Its totient is φ = 190458391872.

The previous prime is 192484890359. The next prime is 192484890379. The reversal of 192484890361 is 163098484291.

The square root of 192484890361 is 438731.

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

It can be written as a sum of positive squares in only one way, i.e., 86433060025 + 106051830336 = 293995^2 + 325656^2 .

It is not a de Polignac number, because 192484890361 - 2¹ = 192484890359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (192484890391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 42554646 + ... + 42559168.

Almost surely, 2^192484890361 is an apocalyptic number.

192484890361 is the 438731-st square number.

192484890361 is the 219366-th centered octagonal number.

It is an amenable number.

192484890361 is a deficient number, since it is larger than the sum of its proper divisors (2047847510).

192484890361 is an frugal number, since it uses more digits than its factorization.

192484890361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9240 (or 4620 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 192484890361 in words is "one hundred ninety-two billion, four hundred eighty-four million, eight hundred ninety thousand, three hundred sixty-one".