19014134048 has 144 divisors (see below), whose sum is σ = 46995129720. Its totient is φ = 7506100224.

The previous prime is 19014134033. The next prime is 19014134071. The reversal of 19014134048 is 84043141091.

It can be written as a sum of positive squares in 4 ways, for example, as 6725968144 + 12288165904 = 82012^2 + 110852^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19014133999 and 19014134017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15674690 + ... + 15675902.

Almost surely, 2^19014134048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19014134048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23497564860).

19014134048 is an abundant number, since it is smaller than the sum of its proper divisors (27980995672).

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

19014134048 is a wasteful number, since it uses less digits than its factorization.

19014134048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019 (or 2004 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 19014134048 in words is "nineteen billion, fourteen million, one hundred thirty-four thousand, forty-eight".