13383883813 has 4 divisors (see below), whose sum is σ = 13534264620. Its totient is φ = 13233503008.

The previous prime is 13383883783. The next prime is 13383883817. The reversal of 13383883813 is 31838838331.

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 7052976324 + 6330907489 = 83982^2 + 79567^2 .

It is a cyclic number.

It is not a de Polignac number, because 13383883813 - 2⁵ = 13383883781 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13383883817) 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, 75190270 + ... + 75190447.

It is an arithmetic number, because the mean of its divisors is an integer number (3383566155).

Almost surely, 2^13383883813 is an apocalyptic number.

It is an amenable number.

13383883813 is a deficient number, since it is larger than the sum of its proper divisors (150380807).

13383883813 is an equidigital number, since it uses as much as digits as its factorization.

13383883813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150380806.

The product of its digits is 995328, while the sum is 49.

The spelling of 13383883813 in words is "thirteen billion, three hundred eighty-three million, eight hundred eighty-three thousand, eight hundred thirteen".