13409188219 has 8 divisors (see below), whose sum is σ = 15650846208. Its totient is φ = 11249045160.

The previous prime is 13409188217. The next prime is 13409188223. The reversal of 13409188219 is 91288190431.

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

It is a cyclic number.

It is not a de Polignac number, because 13409188219 - 2¹ = 13409188217 is a prime.

It is a super-2 number, since 2×13409188219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13409188217) 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, 20378377 + ... + 20379034.

It is an arithmetic number, because the mean of its divisors is an integer number (1956355776).

Almost surely, 2^13409188219 is an apocalyptic number.

13409188219 is a deficient number, since it is larger than the sum of its proper divisors (2241657989).

13409188219 is an equidigital number, since it uses as much as digits as its factorization.

13409188219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40757465.

The product of its (nonzero) digits is 124416, while the sum is 46.

The spelling of 13409188219 in words is "thirteen billion, four hundred nine million, one hundred eighty-eight thousand, two hundred nineteen".