19425844268 has 12 divisors (see below), whose sum is σ = 33999412272. Its totient is φ = 9711726480.

The previous prime is 19425844261. The next prime is 19425844301. The reversal of 19425844268 is 86244852491.

It is not an unprimeable number, because it can be changed into a prime (19425844261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261848 + ... + 327743.

It is an arithmetic number, because the mean of its divisors is an integer number (2833284356).

Almost surely, 2^19425844268 is an apocalyptic number.

It is an amenable number.

19425844268 is a deficient number, since it is larger than the sum of its proper divisors (14573568004).

19425844268 is a wasteful number, since it uses less digits than its factorization.

19425844268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597832 (or 597830 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 53.

The spelling of 19425844268 in words is "nineteen billion, four hundred twenty-five million, eight hundred forty-four thousand, two hundred sixty-eight".