12435735253 has 4 divisors (see below), whose sum is σ = 12864553740. Its totient is φ = 12006916768.

The previous prime is 12435735241. The next prime is 12435735349. The reversal of 12435735253 is 35253753421.

It is a happy number.

12435735253 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.

It can be written as a sum of positive squares in 2 ways, for example, as 4900280004 + 7535455249 = 70002^2 + 86807^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12435735253 is a prime.

It is a super-2 number, since 2×12435735253² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12435735203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214409200 + ... + 214409257.

It is an arithmetic number, because the mean of its divisors is an integer number (3216138435).

Almost surely, 2^12435735253 is an apocalyptic number.

It is an amenable number.

12435735253 is a deficient number, since it is larger than the sum of its proper divisors (428818487).

12435735253 is an equidigital number, since it uses as much as digits as its factorization.

12435735253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428818486.

The product of its digits is 378000, while the sum is 40.

The spelling of 12435735253 in words is "twelve billion, four hundred thirty-five million, seven hundred thirty-five thousand, two hundred fifty-three".