19247344704 has 168 divisors, whose sum is σ = 63127054848. Its totient is φ = 5492551680.

The previous prime is 19247344703. The next prime is 19247344729. The reversal of 19247344704 is 40744374291.

It is a tau number, because it is divible by the number of its divisors (168).

It is a self number, because there is not a number n which added to its sum of digits gives 19247344704.

It is not an unprimeable number, because it can be changed into a prime (19247344703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3993304 + ... + 3998120.

Almost surely, 2^19247344704 is an apocalyptic number.

19247344704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19247344704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31563527424).

19247344704 is an abundant number, since it is smaller than the sum of its proper divisors (43879710144).

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

19247344704 is a wasteful number, since it uses less digits than its factorization.

19247344704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833 (or 5820 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 19247344704 in words is "nineteen billion, two hundred forty-seven million, three hundred forty-four thousand, seven hundred four".