19519348314 has 16 divisors (see below), whose sum is σ = 40736031552. Its totient is φ = 6223560288.

The previous prime is 19519348297. The next prime is 19519348339. The reversal of 19519348314 is 41384391591.

It is a Curzon 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, 70722139 + ... + 70722414.

It is an arithmetic number, because the mean of its divisors is an integer number (2546001972).

Almost surely, 2^19519348314 is an apocalyptic number.

19519348314 is an abundant number, since it is smaller than the sum of its proper divisors (21216683238).

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

19519348314 is a wasteful number, since it uses less digits than its factorization.

19519348314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141444581.

The product of its digits is 466560, while the sum is 48.

The spelling of 19519348314 in words is "nineteen billion, five hundred nineteen million, three hundred forty-eight thousand, three hundred fourteen".