19200219493 has 16 divisors (see below), whose sum is σ = 23634526720. Its totient is φ = 15189140736.

The previous prime is 19200219481. The next prime is 19200219499. The reversal of 19200219493 is 39491200291.

It is a de Polignac number, because none of the positive numbers 2^k-19200219493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19200219499) 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, 896413 + ... + 917581.

It is an arithmetic number, because the mean of its divisors is an integer number (1477157920).

Almost surely, 2^19200219493 is an apocalyptic number.

19200219493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19200219493 is a deficient number, since it is larger than the sum of its proper divisors (4434307227).

19200219493 is a wasteful number, since it uses less digits than its factorization.

19200219493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31156.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 19200219493 in words is "nineteen billion, two hundred million, two hundred nineteen thousand, four hundred ninety-three".