1890003195068 has 48 divisors (see below), whose sum is σ = 3562868305920. Its totient is φ = 874366907904.

The previous prime is 1890003194987. The next prime is 1890003195089. The reversal of 1890003195068 is 8605913000981.

It is a happy number.

It is a super-2 number, since 2×1890003195068² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 54470021 + ... + 54504707.

It is an arithmetic number, because the mean of its divisors is an integer number (74226423040).

Almost surely, 2^{1890003195068} is an apocalyptic number.

It is an amenable number.

1890003195068 is a deficient number, since it is larger than the sum of its proper divisors (1672865110852).

1890003195068 is a wasteful number, since it uses less digits than its factorization.

1890003195068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51426 (or 51424 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 1890003195068 in words is "one trillion, eight hundred ninety billion, three million, one hundred ninety-five thousand, sixty-eight".