19028873349 has 8 divisors (see below), whose sum is σ = 28190923520. Its totient is φ = 12685915548.

The previous prime is 19028873333. The next prime is 19028873351. The reversal of 19028873349 is 94337882091.

19028873349 is a `hidden beast` number, since 19 + 0 + 288 + 7 + 3 + 349 = 666.

It is not a de Polignac number, because 19028873349 - 2⁴ = 19028873333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19028873295 and 19028873304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19028873249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352386517 + ... + 352386570.

It is an arithmetic number, because the mean of its divisors is an integer number (3523865440).

Almost surely, 2^19028873349 is an apocalyptic number.

It is an amenable number.

19028873349 is a deficient number, since it is larger than the sum of its proper divisors (9162050171).

19028873349 is an equidigital number, since it uses as much as digits as its factorization.

19028873349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704773096 (or 704773090 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 19028873349 in words is "nineteen billion, twenty-eight million, eight hundred seventy-three thousand, three hundred forty-nine".