19119430918 has 8 divisors (see below), whose sum is σ = 32776167312. Its totient is φ = 8194041816.

The previous prime is 19119430879. The next prime is 19119430951. The reversal of 19119430918 is 81903491191.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682836805 + ... + 682836832.

It is an arithmetic number, because the mean of its divisors is an integer number (4097020914).

Almost surely, 2^19119430918 is an apocalyptic number.

19119430918 is a deficient number, since it is larger than the sum of its proper divisors (13656736394).

19119430918 is a wasteful number, since it uses less digits than its factorization.

19119430918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365673646.

The product of its (nonzero) digits is 69984, while the sum is 46.

The spelling of 19119430918 in words is "nineteen billion, one hundred nineteen million, four hundred thirty thousand, nine hundred eighteen".