19171480492 has 12 divisors (see below), whose sum is σ = 34022627856. Its totient is φ = 9450729680.

The previous prime is 19171480487. The next prime is 19171480507. The reversal of 19171480492 is 29408417191.

It is an unprimeable number.

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, 33752323 + ... + 33752890.

It is an arithmetic number, because the mean of its divisors is an integer number (2835218988).

Almost surely, 2^19171480492 is an apocalyptic number.

It is an amenable number.

19171480492 is a deficient number, since it is larger than the sum of its proper divisors (14851147364).

19171480492 is a wasteful number, since it uses less digits than its factorization.

19171480492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67505288 (or 67505286 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 19171480492 in words is "nineteen billion, one hundred seventy-one million, four hundred eighty thousand, four hundred ninety-two".