19368052474866 has 32 divisors (see below), whose sum is σ = 39985975822848. Its totient is φ = 6247709003520.

The previous prime is 19368052474801. The next prime is 19368052474877. The reversal of 19368052474866 is 66847425086391.

It is a self number, because there is not a number n which added to its sum of digits gives 19368052474866.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28260186 + ... + 28937418.

It is an arithmetic number, because the mean of its divisors is an integer number (1249561744464).

It is a 1-persistent number, because it is pandigital, but 2⋅19368052474866 = 38736104949732 is not.

Almost surely, 2^{19368052474866} is an apocalyptic number.

19368052474866 is an abundant number, since it is smaller than the sum of its proper divisors (20617923347982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19368052474866 is a wasteful number, since it uses less digits than its factorization.

19368052474866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831026.

The product of its (nonzero) digits is 418037760, while the sum is 69.

The spelling of 19368052474866 in words is "nineteen trillion, three hundred sixty-eight billion, fifty-two million, four hundred seventy-four thousand, eight hundred sixty-six".