13109784293 has 4 divisors (see below), whose sum is σ = 13799772960. Its totient is φ = 12419795628.

The previous prime is 13109784253. The next prime is 13109784299. The reversal of 13109784293 is 39248790131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39248790131 = 71 ⋅552799861.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13109784293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13109784299) 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, 344994305 + ... + 344994342.

It is an arithmetic number, because the mean of its divisors is an integer number (3449943240).

Almost surely, 2^13109784293 is an apocalyptic number.

It is an amenable number.

13109784293 is a deficient number, since it is larger than the sum of its proper divisors (689988667).

13109784293 is an equidigital number, since it uses as much as digits as its factorization.

13109784293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689988666.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 13109784293 in words is "thirteen billion, one hundred nine million, seven hundred eighty-four thousand, two hundred ninety-three".