12788353813 has 4 divisors (see below), whose sum is σ = 12788616960. Its totient is φ = 12788090668.

The previous prime is 12788353801. The next prime is 12788353843. The reversal of 12788353813 is 31835388721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12788353813 - 2²⁵ = 12754799381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12788353843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35095 + ... + 163732.

It is an arithmetic number, because the mean of its divisors is an integer number (3197154240).

Almost surely, 2^12788353813 is an apocalyptic number.

It is an amenable number.

12788353813 is a deficient number, since it is larger than the sum of its proper divisors (263147).

12788353813 is an equidigital number, since it uses as much as digits as its factorization.

12788353813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263146.

The product of its digits is 967680, while the sum is 49.

The spelling of 12788353813 in words is "twelve billion, seven hundred eighty-eight million, three hundred fifty-three thousand, eight hundred thirteen".