235471421205 has 72 divisors (see below), whose sum is σ = 442406041272. Its totient is φ = 115759196928.

The previous prime is 235471421203. The next prime is 235471421257. The reversal of 235471421205 is 502124174532.

235471421205 is a `hidden beast` number, since 23 + 5 + 4 + 7 + 1 + 421 + 205 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7203426129 + 228267995076 = 84873^2 + 477774^2 .

It is not a de Polignac number, because 235471421205 - 2¹ = 235471421203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 235471421205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235471421203) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 405187 + ... + 796943.

It is an arithmetic number, because the mean of its divisors is an integer number (6144528351).

Almost surely, 2^235471421205 is an apocalyptic number.

It is an amenable number.

235471421205 is a deficient number, since it is larger than the sum of its proper divisors (206934620067).

235471421205 is a wasteful number, since it uses less digits than its factorization.

235471421205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391843 (or 391821 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

Adding to 235471421205 its reverse (502124174532), we get a palindrome (737595595737).

The spelling of 235471421205 in words is "two hundred thirty-five billion, four hundred seventy-one million, four hundred twenty-one thousand, two hundred five".