13309394219 has 8 divisors (see below), whose sum is σ = 14544863280. Its totient is φ = 12078179200.

The previous prime is 13309394179. The next prime is 13309394221. The reversal of 13309394219 is 91249390331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13309394219 is a prime.

It is a super-2 number, since 2×13309394219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13309394219.

It is not an unprimeable number, because it can be changed into a prime (13309394239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056962 + ... + 1069479.

It is an arithmetic number, because the mean of its divisors is an integer number (1818107910).

Almost surely, 2^13309394219 is an apocalyptic number.

13309394219 is a deficient number, since it is larger than the sum of its proper divisors (1235469061).

13309394219 is a wasteful number, since it uses less digits than its factorization.

13309394219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127021.

The product of its (nonzero) digits is 157464, while the sum is 44.

The spelling of 13309394219 in words is "thirteen billion, three hundred nine million, three hundred ninety-four thousand, two hundred nineteen".