19304919424 has 64 divisors (see below), whose sum is σ = 43976484000. Its totient is φ = 8269148160.

The previous prime is 19304919419. The next prime is 19304919437. The reversal of 19304919424 is 42491940391.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 2128852 + ... + 2137900.

Almost surely, 2^19304919424 is an apocalyptic number.

19304919424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19304919424 is an abundant number, since it is smaller than the sum of its proper divisors (24671564576).

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

19304919424 is an equidigital number, since it uses as much as digits as its factorization.

19304919424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11451 (or 11439 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 19304919424 in words is "nineteen billion, three hundred four million, nine hundred nineteen thousand, four hundred twenty-four".