19013471460 has 36 divisors (see below), whose sum is σ = 57674197308. Its totient is φ = 5070259008.

The previous prime is 19013471453. The next prime is 19013471497. The reversal of 19013471460 is 6417431091.

19013471460 is a `hidden beast` number, since 190 + 1 + 3 + 4 + 7 + 1 + 460 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11273342976 + 7740128484 = 106176^2 + 87978^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52815019 + ... + 52815378.

Almost surely, 2^19013471460 is an apocalyptic number.

19013471460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19013471460 is an abundant number, since it is smaller than the sum of its proper divisors (38660725848).

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

19013471460 is a wasteful number, since it uses less digits than its factorization.

19013471460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105630412 (or 105630407 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 19013471460 in words is "nineteen billion, thirteen million, four hundred seventy-one thousand, four hundred sixty".