19119049265 has 16 divisors (see below), whose sum is σ = 23133407232. Its totient is φ = 15168311424.

The previous prime is 19119049259. The next prime is 19119049273. The reversal of 19119049265 is 56294091191.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19119049265 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1942637 + ... + 1952453.

It is an arithmetic number, because the mean of its divisors is an integer number (1445837952).

Almost surely, 2^19119049265 is an apocalyptic number.

It is an amenable number.

19119049265 is a deficient number, since it is larger than the sum of its proper divisors (4014357967).

19119049265 is a wasteful number, since it uses less digits than its factorization.

19119049265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13016.

The product of its (nonzero) digits is 174960, while the sum is 47.

The spelling of 19119049265 in words is "nineteen billion, one hundred nineteen million, forty-nine thousand, two hundred sixty-five".