1999768844696 has 32 divisors (see below), whose sum is σ = 4345574158080. Its totient is φ = 844972749600.

The previous prime is 1999768844687. The next prime is 1999768844779. The reversal of 1999768844696 is 6964488679991.

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, 251476010 + ... + 251483961.

It is an arithmetic number, because the mean of its divisors is an integer number (135799192440).

Almost surely, 2^{1999768844696} is an apocalyptic number.

It is an amenable number.

1999768844696 is an abundant number, since it is smaller than the sum of its proper divisors (2345805313384).

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

1999768844696 is a wasteful number, since it uses less digits than its factorization.

1999768844696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502960055 (or 502960051 counting only the distinct ones).

The product of its digits is 10158317568, while the sum is 86.

The spelling of 1999768844696 in words is "one trillion, nine hundred ninety-nine billion, seven hundred sixty-eight million, eight hundred forty-four thousand, six hundred ninety-six".