19798467584 has 44 divisors (see below), whose sum is σ = 45231560064. Its totient is φ = 8485054464.

The previous prime is 19798467583. The next prime is 19798467589. The reversal of 19798467584 is 48576489791.

It is not an unprimeable number, because it can be changed into a prime (19798467583) 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, 1373864 + ... + 1388199.

Almost surely, 2^19798467584 is an apocalyptic number.

19798467584 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19798467584 is an abundant number, since it is smaller than the sum of its proper divisors (25433092480).

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

19798467584 is an equidigital number, since it uses as much as digits as its factorization.

19798467584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762090 (or 2762072 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 68.

The spelling of 19798467584 in words is "nineteen billion, seven hundred ninety-eight million, four hundred sixty-seven thousand, five hundred eighty-four".