19428199292 has 24 divisors (see below), whose sum is σ = 34344898560. Its totient is φ = 9615518640.

The previous prime is 19428199261. The next prime is 19428199319. The reversal of 19428199292 is 29299182491.

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, 529667 + ... + 565157.

It is an arithmetic number, because the mean of its divisors is an integer number (1431037440).

Almost surely, 2^19428199292 is an apocalyptic number.

It is an amenable number.

19428199292 is a deficient number, since it is larger than the sum of its proper divisors (14916699268).

19428199292 is a wasteful number, since it uses less digits than its factorization.

19428199292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36881 (or 36879 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 56.

The spelling of 19428199292 in words is "nineteen billion, four hundred twenty-eight million, one hundred ninety-nine thousand, two hundred ninety-two".