19868050473 has 16 divisors (see below), whose sum is σ = 27894649920. Its totient is φ = 12543892416.

The previous prime is 19868050459. The next prime is 19868050507. The reversal of 19868050473 is 37405086891.

It is not a de Polignac number, because 19868050473 - 2⁶ = 19868050409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19868050453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109611 + ... + 227487.

It is an arithmetic number, because the mean of its divisors is an integer number (1743415620).

Almost surely, 2^19868050473 is an apocalyptic number.

It is an amenable number.

19868050473 is a deficient number, since it is larger than the sum of its proper divisors (8026599447).

19868050473 is a wasteful number, since it uses less digits than its factorization.

19868050473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120856.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 19868050473 in words is "nineteen billion, eight hundred sixty-eight million, fifty thousand, four hundred seventy-three".