19035805385 has 16 divisors (see below), whose sum is σ = 23172065280. Its totient is φ = 15009382080.

The previous prime is 19035805381. The next prime is 19035805387. The reversal of 19035805385 is 58350853091.

It is not a de Polignac number, because 19035805385 - 2² = 19035805381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19035805381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1469999 + ... + 1482891.

It is an arithmetic number, because the mean of its divisors is an integer number (1448254080).

Almost surely, 2^19035805385 is an apocalyptic number.

It is an amenable number.

19035805385 is a deficient number, since it is larger than the sum of its proper divisors (4136259895).

19035805385 is a wasteful number, since it uses less digits than its factorization.

19035805385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17128.

The product of its (nonzero) digits is 648000, while the sum is 47.

The spelling of 19035805385 in words is "nineteen billion, thirty-five million, eight hundred five thousand, three hundred eighty-five".