235462794971209 has 9 divisors (see below), whose sum is σ = 254968804645173. Its totient is φ = 217350088143552.

The previous prime is 235462794971161. The next prime is 235462794971213. The reversal of 235462794971209 is 902179497264532.

The square root of 235462794971209 is 15344797.

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

It can be written as a sum of positive squares in 4 ways, for example, as 146993194605625 + 88469600365584 = 12124075^2 + 9405828^2 .

It is not a de Polignac number, because 235462794971209 - 2¹⁹ = 235462794446921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235462794971279) 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 8 ways as a sum of consecutive naturals, for example, 198892177 + ... + 200072545.

It is an arithmetic number, because the mean of its divisors is an integer number (28329867182797).

Almost surely, 2^{235462794971209} is an apocalyptic number.

235462794971209 is the 15344797-th square number.

235462794971209 is the 7672399-th centered octagonal number.

It is an amenable number.

235462794971209 is a deficient number, since it is larger than the sum of its proper divisors (19506009673964).

235462794971209 is an frugal number, since it uses more digits than its factorization.

235462794971209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360764 (or 1180382 counting only the distinct ones).

The product of its (nonzero) digits is 411505920, while the sum is 70.

The spelling of 235462794971209 in words is "two hundred thirty-five trillion, four hundred sixty-two billion, seven hundred ninety-four million, nine hundred seventy-one thousand, two hundred nine".