19454325384 has 64 divisors (see below), whose sum is σ = 53094585600. Its totient is φ = 5903940096.

The previous prime is 19454325347. The next prime is 19454325413. The reversal of 19454325384 is 48352345491.

It is a super-2 number, since 2×19454325384² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404304 + ... + 449855.

It is an arithmetic number, because the mean of its divisors is an integer number (829602900).

Almost surely, 2^19454325384 is an apocalyptic number.

It is an amenable number.

19454325384 is an abundant number, since it is smaller than the sum of its proper divisors (33640260216).

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

19454325384 is a wasteful number, since it uses less digits than its factorization.

19454325384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854254 (or 854250 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The spelling of 19454325384 in words is "nineteen billion, four hundred fifty-four million, three hundred twenty-five thousand, three hundred eighty-four".