19214234144 has 48 divisors (see below), whose sum is σ = 43241417856. Its totient is φ = 8232883200.

The previous prime is 19214234099. The next prime is 19214234159. The reversal of 19214234144 is 44143241291.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1856504 + ... + 1866824.

It is an arithmetic number, because the mean of its divisors is an integer number (900862872).

Almost surely, 2^19214234144 is an apocalyptic number.

19214234144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19214234144 is an abundant number, since it is smaller than the sum of its proper divisors (24027183712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19214234144 is a wasteful number, since it uses less digits than its factorization.

19214234144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18649 (or 18641 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The spelling of 19214234144 in words is "nineteen billion, two hundred fourteen million, two hundred thirty-four thousand, one hundred forty-four".