235082431609 has 3 divisors (see below), whose sum is σ = 235082916463. Its totient is φ = 235081946756.

The previous prime is 235082431607. The next prime is 235082431667. The reversal of 235082431609 is 906134280532.

The square root of 235082431609 is 484853.

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

235082431609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 83471877225 + 151610554384 = 288915^2 + 389372^2 .

It is not a de Polignac number, because 235082431609 - 2¹ = 235082431607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235082431607) 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 2 ways as a sum of consecutive naturals, for example, 242427 + ... + 727279.

Almost surely, 2^235082431609 is an apocalyptic number.

235082431609 is the 484853-rd square number.

235082431609 is the 242427-th centered octagonal number.

It is an amenable number.

235082431609 is a deficient number, since it is larger than the sum of its proper divisors (484854).

235082431609 is an frugal number, since it uses more digits than its factorization.

235082431609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969706 (or 484853 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 235082431609 in words is "two hundred thirty-five billion, eighty-two million, four hundred thirty-one thousand, six hundred nine".