253435233213 has 16 divisors (see below), whose sum is σ = 376153636800. Its totient is φ = 168644507760.

The previous prime is 253435233203. The next prime is 253435233239. The reversal of 253435233213 is 312332534352.

253435233213 is a `hidden beast` number, since 2 + 5 + 3 + 435 + 2 + 3 + 3 + 213 = 666.

It is not a de Polignac number, because 253435233213 - 2²⁵ = 253401678781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253435233203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8660523 + ... + 8689736.

It is an arithmetic number, because the mean of its divisors is an integer number (23509602300).

Almost surely, 2^253435233213 is an apocalyptic number.

It is an amenable number.

253435233213 is a deficient number, since it is larger than the sum of its proper divisors (122718403587).

253435233213 is a wasteful number, since it uses less digits than its factorization.

253435233213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17350809 (or 17350803 counting only the distinct ones).

The product of its digits is 194400, while the sum is 36.

Adding to 253435233213 its reverse (312332534352), we get a palindrome (565767767565).

The spelling of 253435233213 in words is "two hundred fifty-three billion, four hundred thirty-five million, two hundred thirty-three thousand, two hundred thirteen".