190299230289 has 27 divisors (see below), whose sum is σ = 319769882523. Its totient is φ = 108737182512.

The previous prime is 190299230249. The next prime is 190299230309. The reversal of 190299230289 is 982032992091.

The square root of 190299230289 is 436233.

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

190299230289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 178611890625 + 11687339664 = 422625^2 + 108108^2 .

It is not a de Polignac number, because 190299230289 - 2¹¹ = 190299228241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190299230249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9150507 + ... + 9171279.

Almost surely, 2^190299230289 is an apocalyptic number.

190299230289 is the 436233-rd square number.

190299230289 is the 218117-th centered octagonal number.

It is an amenable number.

190299230289 is a deficient number, since it is larger than the sum of its proper divisors (129470652234).

190299230289 is an frugal number, since it uses more digits than its factorization.

190299230289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41566 (or 20783 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 190299230289 in words is "one hundred ninety billion, two hundred ninety-nine million, two hundred thirty thousand, two hundred eighty-nine".