19142219492 has 12 divisors (see below), whose sum is σ = 36544237296. Its totient is φ = 8701008840.

The previous prime is 19142219491. The next prime is 19142219513. The reversal of 19142219492 is 29491224191.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 435050443 = 19142219492 / (1 + 9 + 1 + 4 + 2 + 2 + 1 + 9 + 4 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (19142219491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217525178 + ... + 217525265.

It is an arithmetic number, because the mean of its divisors is an integer number (3045353108).

Almost surely, 2^19142219492 is an apocalyptic number.

It is an amenable number.

19142219492 is a deficient number, since it is larger than the sum of its proper divisors (17402017804).

19142219492 is a wasteful number, since it uses less digits than its factorization.

19142219492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435050458 (or 435050456 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The spelling of 19142219492 in words is "nineteen billion, one hundred forty-two million, two hundred nineteen thousand, four hundred ninety-two".