19048393507 has 8 divisors (see below), whose sum is σ = 22378532400. Its totient is φ = 15984665760.

The previous prime is 19048393489. The next prime is 19048393523. The reversal of 19048393507 is 70539384091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19048393507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19048393537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66602632 + ... + 66602917.

It is an arithmetic number, because the mean of its divisors is an integer number (2797316550).

Almost surely, 2^19048393507 is an apocalyptic number.

19048393507 is a deficient number, since it is larger than the sum of its proper divisors (3330138893).

19048393507 is a wasteful number, since it uses less digits than its factorization.

19048393507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133205573.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 19048393507 in words is "nineteen billion, forty-eight million, three hundred ninety-three thousand, five hundred seven".