19488254896 has 20 divisors (see below), whose sum is σ = 41191084584. Its totient is φ = 8858297600.

The previous prime is 19488254857. The next prime is 19488254897. The reversal of 19488254896 is 69845288491.

It is not an unprimeable number, because it can be changed into a prime (19488254897) 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, 55364185 + ... + 55364536.

Almost surely, 2^19488254896 is an apocalyptic number.

19488254896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19488254896 is an abundant number, since it is smaller than the sum of its proper divisors (21702829688).

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

19488254896 is a wasteful number, since it uses less digits than its factorization.

19488254896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110728740 (or 110728734 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 64.

The spelling of 19488254896 in words is "nineteen billion, four hundred eighty-eight million, two hundred fifty-four thousand, eight hundred ninety-six".