11819408219 has 8 divisors (see below), whose sum is σ = 12536594928. Its totient is φ = 11104657920.

The previous prime is 11819408203. The next prime is 11819408233. The reversal of 11819408219 is 91280491811.

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 11819408219 - 2⁴ = 11819408203 is a prime.

It is a super-2 number, since 2×11819408219² (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 11819408219.

It is not an unprimeable number, because it can be changed into a prime (11819405219) 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, 599102 + ... + 618515.

It is an arithmetic number, because the mean of its divisors is an integer number (1567074366).

Almost surely, 2^11819408219 is an apocalyptic number.

11819408219 is a deficient number, since it is larger than the sum of its proper divisors (717186709).

11819408219 is a wasteful number, since it uses less digits than its factorization.

11819408219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218205.

The product of its (nonzero) digits is 41472, while the sum is 44.

The spelling of 11819408219 in words is "eleven billion, eight hundred nineteen million, four hundred eight thousand, two hundred nineteen".