19209491019382 has 16 divisors (see below), whose sum is σ = 28878375052800. Its totient is φ = 9583369475368.

The previous prime is 19209491019359. The next prime is 19209491019403. The reversal of 19209491019382 is 28391019490291.

It is a congruent 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, 10277619 + ... + 12002017.

It is an arithmetic number, because the mean of its divisors is an integer number (1804898440800).

Almost surely, 2^{19209491019382} is an apocalyptic number.

19209491019382 is a deficient number, since it is larger than the sum of its proper divisors (9668884033418).

19209491019382 is a wasteful number, since it uses less digits than its factorization.

19209491019382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736795.

The product of its (nonzero) digits is 2519424, while the sum is 58.

The spelling of 19209491019382 in words is "nineteen trillion, two hundred nine billion, four hundred ninety-one million, nineteen thousand, three hundred eighty-two".